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| Template Toolkit | Release | Changes |

## Changes

| INSTALL

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Change history

    #========================================================================
    #
    # Changes
    #
    # DESCRIPTION
    #   Revision history for the Template Toolkit version 2.19, detailing
    #   significant changes between versions, most recent first.  Some
    #   way down the file you'll find a section detailing major changes from
    #   version 1.* to 2.* and a list of "Gotchas!" that you might have to
    #   look out for when upgrading between major versions.
    #
    # AUTHOR
    #   Andy Wardley   <abw@wardley.org>
    #
    # NOTE
    #   This file is built from a source template distributed as part of
    #   the docsrc bundle (docsrc/src/Release/Changes) which is available
    #   from http://www.template-toolkit.org/download.html#docsrc.
    #   Any changes you make here may be lost!
    #
    #------------------------------------------------------------------------
    # $Id: Changes.tt2 1065 2007-04-27 13:21:04Z abw $
    #========================================================================

    #------------------------------------------------------------------------
    # Version 2.19 - 27th April 2007
    #------------------------------------------------------------------------

    * Applied a patch to t/fileline.t from Steffen Müller which fixes the
      problems running on Win32 with backslashes in paths.

      https://rt.cpan.org/Ticket/Display.html?id=20488

    * Applied a patch to the XS Stash from Randy Kobes which fixes some other
      Win32 problems.

      http://tt2.org/pipermail/templates/2007-February/009247.html

    * Applied another patch to the XS Stash from Steve Peters which fixes
      a problem with tied hashes under more recent version of Perl.

      http://tt2.org/pipermail/templates/2007-January/009181.html

    * Fixed a problem in the Perl Stash when using objects that have
      overloaded comparison operators.  Thanks to Randal Schwartz, Tatsuhiko
      Miyagawa and Daisuke Maki for their contributions.

      http://tt2.org/pipermail/templates/2007-March/009265.html

    * Applied a patch from Bill Moseley to Template::Provider which adds
      negative caching and moves some functionality into separate methods
      to make subclassing easier.  Also added the STAT_TTL configuration
      parameter.

      http://tt2.org/pipermail/templates/2007-January/009183.html

    * Added the url filter as a less aggressive form of the uri filter.
      Whereas the uri filter now (from v2.16 onwards) encodes all the
      reserved characters (@, :, /, etc.) as per RFC2396, the url filter
      leaves them intact and thus behaves just like the uri filter used
      to.

      http://tt2.org/pipermail/templates/2007-March/009277.html

    #------------------------------------------------------------------------
    # Version 2.18a - 9th February 2007
    #------------------------------------------------------------------------

    * Applied a patch from Steve Peters to the Stash.xs to allow it to
      compile with bleadperl 5.9.x

      https://rt.cpan.org/Public/Bug/Display.html?id=22506

    #------------------------------------------------------------------------
    # Version 2.18 - 9th February 2007
    #------------------------------------------------------------------------

    * Merged in Adam's changes in 2.16 and 2.17 back into the developer CVS
      repository and added his name to the credits.

    * Changed the parser grammar to accept expressions as arguments to a
      subroutine, method or virtual method call.  I'm embarrassed to admit
      that it was a one line change that could (and should) have been made
      long ago, if only I had realised just how trivial it was.  Anyway,
      you can now write nested expressions like this:

         [% add(a+5, b < 10 ? c : d + e*5) %]

    * Put the t/fileline.t test back in as this was fixed in 2.15a

    * Added the Template::Toolkit documentation-only module.

    #------------------------------------------------------------------------
    # Version 2.17 - 8th Feb 2007
    #------------------------------------------------------------------------

    Another interim release from Adam Kennedy.

    * Change in Makefile.PL to force an upgrade to File::HomeDir 0.64 on darwin.
      This is due to problems caused by changes made to Perl on the new Intel
      versions of Mac OS X.

    * skip_all filelines.t on darwin

    #------------------------------------------------------------------------
    # Version 2.16 - 23rd Jan 2007
    #------------------------------------------------------------------------

    Interim release from Adam Kennedy.

    * Skip fileline.t on Win32, as it has some hard-coded path seperator
      assumptions. This will be fixed more comprehensively later.

    * Handle spurious errors in Makefile.PL when a dev version of
      ExtUtils::MakeMaker is installed.

    * Don't say "nmake" on Win32 when $Config{make} is 'dmake'.
      This corrects the message on Strawberry Perl.

    #------------------------------------------------------------------------
    # Version 2.15c - Not released                    ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in Template::Parser which caused it to get confused about
      block names if it encountered a syntax error inside a BLOCK.  Thanks
      to Bill Moseley for reporting the problem.

      http://tt2.org/pipermail/templates/2006-July/008815.html

    * Fixed a minor buglet in Template::Provider which came to light while
      investigating the above problem. If a previously cached template is changed
      on disk and then fails to compile, the provider now invalidates the cache
      entry immediately. Without this fix, the provider would report the error
      once, then reuse the cached good version of the template until $STAT_TTL
      ticked over when it would try to load and compile the disk version again.
      The problem was that error messages were only reported once every $STAT_TTL
      second(s) and any requests for the same template in the interim time would
      mysteriously work. This way errors get reported consistently and immediately
      and no-one has to waste an afternoon trying to figure out where the errors
      went!

    #------------------------------------------------------------------------
    # Version 2.15b - 30th May 2006                   ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Changed the uri filter to escape all reserved characters as per
      URI::Escape and RFC2396.  This now includes &, @, /, ;, :, =, +, ?
      and $ which were previously not escaped.  Thanks to islue@cpan.org
      for reporting the problem.

      http://rt.cpan.org/Ticket/Display.html?id=19593

    * Also changed the uri filter to encode all wide characters as the
      equivalent UTF escapes.  Thanks to Jonathan Rockway for reporting
      the problem.

      http://rt.cpan.org/Ticket/Display.html?id=19354

    * Fixed the redirect filter to not support relative paths.  Thanks to
      Paul Seamons for spotting the problem and providing a solution.

    * Moved all the virtual methods out of Template::Stash and into
      a new Template::VMethods module.

    * Fixed the version number of Template::Stash which had rolled over
      to 2.102 making it appear to predate the 2.86 stash in TT v2.14.
      Thanks to Randal Schwartz for reporting the problem.  Changed all
      version numbers in other modules to be a hard-coded numbers instead
      of grokking it automagically from the CVS revision.

    * Changed the _recover() method of Template::Service to check if the
      error thrown is a Template::Exception object rather than just a
      reference.  Thanks to David Wheeler for reporting the problem.

      http://rt.cpan.org/Ticket/Display.html?id=17630

    * Fixed the some tests in stash.t and stash-xs.t which were failing
      under Perl 5.6.2 due to a slightly different error message being
      generated.  Thanks to Anton Berezin for reporting the problem.

    * Fixed a bug in the Template::Provider _load() method to check that
      $data is a hash ref before trying to mess with its innards.  Thanks
      to barbie@cpan.org for reporting the problem.

      http://rt.cpan.org/Ticket/Display.html?id=18653

    #------------------------------------------------------------------------
    # Version 2.15a - 29th May 2006                   ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Removed the latex filter from Template::Filters and related config
      variables from Template::Config

    * Changed the t/fileline.t test to remove the line number from what Perl
      reports as "(eval $line)".  It appears to get the $line wrong on
      FreeBSD, although the correct line number is reported following that
      so the tests still do the right thing.  Thanks to Anton Berezin for
      reporting the problem.

    * Changed the t/compile3.t test to do something similar.

    #------------------------------------------------------------------------
    # Version 2.15 - 26th May 2006
    #------------------------------------------------------------------------

    Chomping Options
    ----------------

    * Added the CHOMP_GREEDY option and '~' chomping flag.  Changed
      CHOMP_COLLAPSE to greedily chomp all whitespace (including multiple
      newlines) and replace it with a single space.  Previously it only
      chomped one line.  Renamed the CHOMP_ALL option to CHOMP_ONE which
      makes more sense.  CHOMP_ALL is still provided as an alias for
      CHOMP_ONE for backwards compatibility.  Thanks to Paul Seamons for
      doing all the hard work on this.

      http://tt2.org/pipermail/templates/2006-February/thread.html#8354

    * Added code to the replace text virtual method to use a faster and
      simpler implementation if the replacement text doesn't contain any
      back references.  Thanks to Josh Rosenbaum for all his efforts on
      this.

      http://tt2.org/pipermail/templates/2006-February/008344.html

    Stash
    -----

    * Changed various tests for private/hidden variables (starting '_'
      or '.') to use a regex defined in the $PRIVATE package variable in
      Template::Stash.  This can be redefined or undefined.  Note that
      the XS Stash only looks to see if $PRIVATE is defined or not, and
      currently hard-codes the regex.

    Plugins
    -------

    * Changed the Image plugin tag() method to call the name() method
      instead of accessing the name directly, making it easier for
      subclasses to provide an alternate name.  Thanks to Cees Hek for
      his patch.

      http://tt2.org/pipermail/templates/2006-February/008423.html

    * Change the AUTOLOAD regex in the Table plugin to be more robust.

      http://tt2.org/pipermail/templates/2006-May/008602.html

    Documentation
    -------------

    * Added the Template::Toolkit documentation pointing people to
      the right place.

    * Updated the Template::Stash::XS documentation to remove the
      "experimental" description and tidy things up a bit.

    #------------------------------------------------------------------------
    # Version 2.14a - 2nd February 2006               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    Stash
    -----

    * Activated a patch in Template::Stash from Stephen Howard which adds
      code for the full set of fallbacks for dot ops called against
      objects which don't implement the specific method.  For example
      [% hashobj.vmethod %] [% listobj.2 %] and [% listobj.vmethod %] now
      all work with the Perl Template::Stash.  Added code to the XS Stash
      to do the same and updated tests.

      http://template-toolkit.org/pipermail/templates/2003-December/005417.html

    * Added full support for tied hashes and tied lists in the XS Stash.
      Added some further tests to make sure it's all working as expected.

      http://tt2.org/pipermail/templates/2006-January/008266.html

    * Applied path from Slaven Rezic to Template::Stash::XS to check
      return code in tt_fetch_item() in a way which plays nicely with tied
      hashes.

      http://rt.cpan.org/Ticket/Display.html?id=7830

    * Changed Template::Stash and Template::Stash::XS to evaluate list
      vmethods in lvalues.

      http://tt2.org/pipermail/templates/2006-January/008198.html

    * Changed Template::Stash to be a little more strict about what it
      considers a failed method call.  This allows exception thrown within
      called methods to be propagated correctly rather than being ignored
      as undefined method.  Thanks to Dave Howorth, Tom Insam and Stig
      Brautaset for reporting the problem and providing fixes.

      http://tt2.org/pipermail/templates/2005-April/007375.html
      http://tt2.org/pipermail/templates/2006-February/008367.html

    * Removed redundant performance profiling code from
      Template::Stash::XS.  Must check with Doug that this is OK and he's
      not still using it...

    Virtual Methods
    ---------------

    * Added the scalar.remove, scalar.substr, hash.delete, hash.items,
      hash.pairs, list.import and list.hash virtual methods.

    * Changed the scalar.replace method to work properly with back
      references ($1, $2, etc) by incorporating ideas, code and tests from
      Nik Clayton, Paul Seamon, Sergey Martynoff, Josh Rosenbaum and
      others.

      http://tt2.org/pipermail/templates/2006-February/008306.html
      http://tt2.org/pipermail/templates/2006-February/008326.html

    * Changed list.push and list.unshift to accept multiple arguments,
      thanks to Bill Moseley.

      http://tt2.org/pipermail/templates/2006-January/008294.html

    * Fixed the split scalar virtual method which wasn't accepting the
      second argument (limit) correctly.  Thanks to Josh Rosenbaum for
      pointing out the problem.

      http://tt2.org/pipermail/templates/2005-October/007982.html

    * Documented the fact that hash.list is going to change in the future,
      recommending people switch to hash.pairs.

      http://tt2.org/pipermail/templates/2006-January/008256.html
      http://tt2.org/pipermail/templates/2006-February/008312.html

    * Added the global option to the 'match' scalar virtual method.

    * Changed $element to $component in Template::Context to fix callers
      bug, thanks to Andy Maas who identified the problem and found the
      solution:

      http://tt2.org/pipermail/templates/2004-December/007020.html

    * Changed the sort and nsort list virtual methods to always return
      references to lists, avoiding any ambiguity in return results.

    * Changed the hash.defined method to do the same thing as
      scalar.defined when called without arguments.  Added list.defined to
      do the same thing as hash.defined.

      http://rt.cpan.org/Ticket/Display.html?id=9094

    * Moved all the tests into t/vmethods/*

    Plugins
    -------

    * Added the $Template::Plugins::PLUGIN_BASE package variable to define
      the default 'Template::Plugin' value for the PLUGIN_BASE option.  By
      clearing this value before calling the Template new() constructor,
      you can avoid having Template::Plugin added to the PLUGIN_BASE by
      default.  Also changed PLUGINS search to look for lower case plugin
      name as well as case-specific name.  Thanks yet again Josh for
      addressing this issue.

      http://tt2.org/pipermail/templates/2006-January/008225.html

    * Applied a single character patch from Lubomir Host which fixes the
      user attribute in Template::Plugin::File.

    * Added the Math Plugin to MANIFEST.

    * Changed the URL plugin to ignore parameters that are unset (e.g.
      defined but zero length)

    * Applied two patches to the Image plugin from Bill Moseley to escape
      attributes in the tag() method and to provide the 'file' options.
      Also adds proper documentation for the 'root' option.

      http://tt2.org/pipermail/templates/2005-November/008086.html
      http://tt2.org/pipermail/templates/2005-December/008189.html

    * Added the $JOINT package variable to Template::Plugin::URL to
      provide a work-around for the URL plugin which incorrectly (as
      we now know) encodes '&' as '&amp;'

      http://rt.cpan.org//Ticket/Display.html?id=11551
      http://tt2.org/pipermail/templates/2005-December/008158.html

    * Added substr() method to the String plugin, as suggested here:

      http://rt.cpan.org/Ticket/Display.html?id=2619

    * Moved all XML plugins and related tests into a separate Template-XML
      distribution.

    * Moved DBI plugin and tests into Template-DBI distribution.

    * Moved GD plugins and tests into Template-GD distribution.

    Filters
    -------

    * Applied a patch to the truncate() filter from "Ashley" which
      adds a second argument.

      http://tt2.org/pipermail/templates/2005-December/008145.html

    * Fixed a bug in the same truncate() filter to stop it from truncating
      strings that are exactly as long as the limit (change '<' to '<='),
      thanks to Nicholas at oxhoej.dk.

      http://rt.cpan.org/Ticket/Display.html?id=8911

    * Added "use locale" to Template::Filters to enable locale-specific
      filters.

      http://rt.cpan.org/Ticket/Display.html?id=9094
      http://rt.cpan.org/Ticket/Display.html?id=5695

    * Updated documentation to reflect the fact that the html filter also
      escapes " as &quot; Thanks to Geoff Richards for reporting it.

    * Moved Latex filters into Template-Latex distribution.

    ttree
    -----

    * Applied patch from Yuri Pimenov to prevent ttree from raising a
      warning when the --depend_debug option is used.

      http://tt2.org/pipermail/templates/2005-May/007400.html

    * Applied a patch to ttree from Slaven Rezic which fixes the arguments
      passed to mkpath.

      http://rt.cpan.org//Ticket/Display.html?id=14216

    * Applied a patch to ttree from Mike Schilli to prevent it from going
      into an infinite loop on encountering a directory called "0"

      https://rt.cpan.org/Ticket/Display.html?id=14905

    * Fixed configuration section to not prompt "Do you want me to create
      a sample .ttreerc file?" if the -h/--help options are specified,
      thanks to Slaven Rezic for reporting the problem.

      http://rt.cpan.org/Ticket/Display.html?id=4180

    * added AppConfig EXPAND => EXPAND_ALL option to perl5lib,
      template_plugin_base, template_compile_dir and depend_file
      configuration options to allow them to contain ~ to indicate
      the user's home directory, or $WHATEVER for environment variables,
      as per the other path-specific options like src, lib, etc.

    Miscellaneous
    -------------

    * Added code to Makefile.PL to detect $ENV{PERL_MM_USE_DEFAULT} to
      accept all defaults.  Thanks to KANE.

      http://rt.cpan.org/Ticket/Display.html?id=14613

    * Removed vStrings from Template::Document.  Thanks to Dave Cross for
      reporting the problem.

      http://tt2.org/pipermail/templates/2005-April/007357.html

    * Applied a patch from Barrie Slaymaker which corrects a bug in the
      Template::Parser line counting when using chomp flags.

      http://tt2.org/pipermail/templates/2005-December/008157.html

    * Applied a patch from Jess Robinson to move the Template::Provider
      check for file freshness into a separate method, in order to
      play nicely with his Template::Provider::DBI module.

      http://tt2.org/pipermail/templates/2005-December/008143.html

    * Fixed the regex matching relative paths in Template::Provider, thanks
      to Josh Rosenbaum

      http://tt2.org/pipermail/templates/2005-January/007141.html

    * Applied a patch to Template::Provider to prevent a misleading error
      message, thanks to Slaven Rezic.

      http://rt.cpan.org/Ticket/Display.html?id=5327

    * Added an eval wrapper around mkpath() in Template::Provider to handle
      errors more nicely.

    * Numerous documentation fixes.

    #------------------------------------------------------------------------
    # Version 2.14 - 4th October 2004
    #------------------------------------------------------------------------

    * Applied patch from Harald Joerg to prevent ttree from spewing warnings
      when copying files.
      http://template-toolkit.org/pipermail/templates/2004-March/005897.html

    * Applied a patch from Paul Orrock to fix a couple of missing errors in
      ttree.
      http://template-toolkit.org/pipermail/templates/2004-September/006605.html

    * Commented out line 797 of Template::Directive.pm which serves no
      purpose and generates a warning.

    * Applied a patch from Mark Fowler to add support for Unicode to TT.
      http://template-toolkit.org/pipermail/templates/2004-June/006270.html

    * Changed the fourth argument to process() to accept named IO layers for
      binmode, e.g. process($in, $vars, $out, binmode => ':utf8');

    * Added full range of command line options to tpage.
      http://template-toolkit.org/pipermail/templates/2004-September/006545.html

    * Applied patches from Tosh Cooey, Simon Wilcox and Kenny Gatdula to fix
      XML::Simple to allow direct access to XMLin() and XMLout() methods. See
      http://template-toolkit.org/pipermail/templates/2004-September/006620.html

    * Fixed a bug in the 'callers' list maintained by a template component
      which was failing to remove callers from the list after processing.
      http://template-toolkit.org/pipermail/templates/2004-April/006070.html

    * Applied a doc patch from Dave Cash documenting caller and callers.
      http://template-toolkit.org/pipermail/templates/2004-March/005960.html

    #------------------------------------------------------------------------
    # Version 2.13 - 30th January 2004
    #------------------------------------------------------------------------

    * Applied patch from Dave Cash to add 'caller' and 'callers' to
      'component', see
      http://tt2.org/pipermail/templates/2004-January/005581.html

    * Applied patch from Dylan William Hardison to ttree which prevents
      dependencies from interfering with files that are copied.  See
      http://tt2.org/pipermail/templates/2003-December/005458.html

    #------------------------------------------------------------------------
    # Version 2.12a - 13th January 2004               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed the bug in test 25 of t/date.t, hopefully for good this time,
      thanks to the efforts of Steve Peters.  See:
      http://template-toolkit.org/pipermail/templates/2004-January/005560.html

    * Added the FILE_INFO option to Template::Parser.  Enabled by default,
      this can be set to 0 to prevent the parser from adding file and line
      info to the generated Perl file.  Don't ask me why - Autrijus wanted
      it (which probably means he's up to something twisted again :-).  See:
      http://template-toolkit.org/pipermail/templates/2004-January/005552.html

    #------------------------------------------------------------------------
    # Version 2.12 - 12th January 2004
    #------------------------------------------------------------------------

    * Added the module_version() method to Template::Base to report the
      version number of a module.  Added some tests to t/base.t.

    * Added the --template_module option to ttree, to allow the user to
      specify a template processing module other than the default 'Template'
      to be used.  Also changed various print statements to send all
      verbose output to stdout, whereas previously it was split across stdout
      and stderr.

    #------------------------------------------------------------------------
    # Version 2.11b - 7th January 2004                ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied patch from Myk Melez to ensure the 'component' variable
      remains correctly set to the current templates.  See
      http://template-toolkit.org/pipermail/templates/2004-January/005483.html

    #------------------------------------------------------------------------
    # Version 2.11a - 6th January 2004                ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed bug in t/date.t and corrected version number of
      Template::Grammar.

    #------------------------------------------------------------------------
    # Version 2.11 - 6th January 2004
    #------------------------------------------------------------------------

    * Bumped version number and updated documentation for release.

    #------------------------------------------------------------------------
    # Version 2.10b - 2nd December 2003               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Changed the Template::Document process() method to pass itself
      to the context visit() method when it calls it.  Similarly, changed
      the context visit() method to expect it.  This is useful when
      subclassing the context but shouldn't have any other effect.

    * Modified parser to add the file name and line number of the source
      template to generated Perl code.  This provides useful information
      when warnings and errors are generated by Perl at runtime.  Added
      the t/fileline.t script to test it.

    #------------------------------------------------------------------------
    # Version 2.10a - 9th October 2003                ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied two patches from Axel Gerstmair to fix bugs in Makefile.PL
      and t/date.t.  See.
      http://tt2.org/pipermail/templates/2003-April/004553.html
      http://tt2.org/pipermail/templates/2003-May/004572.html

    * Applied patch from Jim Cromie to t/autoform.t to skip tests on all
      versions of Perl from 5.8.0 onwards.

    * Changed $OUTPUT in Template::Directive to be a package variable,
      allowing it to be re-defined to permit a flushed output hack.
      http://tt2.org/pipermail/templates/2003-October/005136.html

    * Applied a patch from Darren to the 'item' hash vmethod to protect
      against accessing private variables (prefixed '.' or '_')
      http://tt2.org/pipermail/templates/2003-June/004761.html

    * Applied a patch from Ivan Adzhubey to template/splash/frame.
      http://tt2.org/pipermail/templates/2003-August/004953.html

    * Applied a patch from Bryce Harrington to add the absolute and
      relative options to ttree.  Also applied a patch from Mark Anderson
      to add the 'template_debug'.  Removed the old debug option which was
      as good as useless.
      http://tt2.org/pipermail/templates/2003-October/005110.html
      http://tt2.org/pipermail/templates/2003-October/005126.html

    * Applied another patch from Mark to push files named on the command
      line through the process_file() sub to ensure that various options
      like accept checking, pemission preserving and copy processing (but
      not modification time) are applied.
      http://tt2.org/pipermail/templates/2003-October/005132.html

    * Applied a variation of yet another ttree patch from Mark to add the
      'suffix' option for changing the suffix of output files created.
      http://tt2.org/pipermail/templates/2003-October/005121.html

    * Applied a variation of a patch from Dylan William Hardison which
      adds the 'depend' and 'depend_file' options to ttree.
      http://tt2.org/pipermail/templates/2003-July/004783.html
      http://tt2.org/pipermail/templates/2003-October/005147.html

    #------------------------------------------------------------------------
    # Version 2.10 - 24th July 2003
    #------------------------------------------------------------------------

    * Merged in Darren's branch to add the define_vmethod() methods to
      Template::Context and Template::Stash.

    * Applied patch from Axel Gerstmair for minor fixes to Makefile.PL,
      t/gd.t and t/date.t.
      http://template-toolkit.org/pipermail/templates/2003-April/004545.html

    * Added undefined() method to the Stash which get() calls if a variable
      value is undefined.  Currently just returns '' to implement existing
      behaviour, but it provides a method hook for subclasses to redefine.

    * Fixed a minor bug which prevented the Stash from being subclassable
      by removing references to __PACKAGE__

    #------------------------------------------------------------------------
    # Version 2.09c - 29th April 2003                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * applied patch from Ivan Kurmanov to XPath plugin to add handling for
      comments.

    * modified grammar to allow 'IN' as an alternate for '=' in FOREACH
      directives, thus allowing [% FOREACH item IN [ foo, bar, baz ] %]
      http://template-toolkit.org/pipermail/templates/2003-April/004519.html

    * changed test for PROCESS option in Template::Service init from 'exists'
      to 'defined' so that PROCESS set to undef Does The Right Thing.
      http://template-toolkit.org/pipermail/templates/2003-April/004536.html

    * changed Template::process() method to accept a hash reference or list
      of output options following any filename.  This can now be used to
      explicitly set binary mode (or not) for the output of a file.  Also
      changed Template::_output() method to expect a reference to text rather
      than a duplicated text string (for efficiency) and also the new hash
      reference of options.  Also changed the redirect and stdout filters
      accordingly.

    * disabled the mandatory binmode setting on all files created under
      MSWin32.  See previous item for details on how binmode can now be
      set explicitly, or link below for description of problem.
      http://template-toolkit.org/pipermail/templates/2003-April/004499.html

    * applied patch from Axel Gerstmair to Makefile.PL to add TT_EXTRAS item.
      http://template-toolkit.org/pipermail/templates/2003-April/004543.html

    #------------------------------------------------------------------------
    # Version 2.09b - 24th April 2003                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * fixed bug introduced in 2.08e which caused some exception handling to
      fail under Perl 5.6.1 and earlier.
      http://template-toolkit.org/pipermail/templates/2003-April/004502.html

    * applied patch from Tatsuhiko Miyagawa to gd.t test to change size test
      from 6500 to 6000.

    * applied patch from Axel Gerstmair to the Image plugin.
      http://template-toolkit.org/pipermail/templates/2003-April/004496.html

    #------------------------------------------------------------------------
    # Version 2.09a - 23rd April 2003                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * added WRAPPER configuration item, documentation and tests.  Also added
      'wrapper' configuration item to ttree.  See Template::Manual::Config

    * applied patch from Axel Gerstmair to fix File::Spec and File::Temp
      versions in Makefile.PL.
      http://template-toolkit.org/pipermail/templates/2003-April/004480.html

    #------------------------------------------------------------------------
    # Version 2.09 - 23rd April 2003
    #------------------------------------------------------------------------

    * Bumped version number for release.

    #------------------------------------------------------------------------
    # Version 2.08e - 18th March 2003                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * changed Template::Provider and Template::Context to propagate nested
      exceptions (e.g. [ file => [ parse => 'blah blah' ] ]) to allow the
      caller to accurately differentiate between parse errors and missing
      file or other errors.
      http://tt2.org/pipermail/templates/2003-March/004359.html

    * applied a patch from Gervase Markham to add set_legend() to the
      various GD::Graph modules that works with a list of arguments.
      http://tt2.org/pipermail/templates/2003-March/004316.html

    #------------------------------------------------------------------------
    # Version 2.08d - 18th March 2003                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Made Template::Exception DTRT with overloading (mark)

    * Applied a patch from Jonas Liljegren to lower the chunking limit of
      the parser regex to prevent a segfault.  See
      http://tt2.org/pipermail/templates/2003-February/004290.html

    * Applied Pudge's patch for the XS Stash bug.  See
      http://tt2.org/pipermail/templates/2003-February/004289.html

    #------------------------------------------------------------------------
    # Version 2.08c - 4th November 2002               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied a patch from Bradley Baetz to work around a bug in Perl when
      using an overridden die(), as CGI::Carp does, for example.

    * Added the Image plugin interfacing to the Image::Size module, based
      on examples posted to the mailing list by Darren and Mark.  See
      http://tt2.org/pipermail/templates/2002-November/003876.html

    #------------------------------------------------------------------------
    # Version 2.08b - 1st November 2002               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied two patches from Leon to fix bug in constant folding with
      multiple replacements (a missing 'g' on a s///)

    * Applied a patch from Tatsuhiko Miyagawa to Template::Constants to
      replace 'our' perl5.6isms.

    * Added the Template::Plugin::Procedural module for creating plugins that
      use subroutines rather than method calls.

    * Fixed a html.t test to allow numerical instead of named entities (mark)

    * Added the params() method to the CGI plugin.

    * Changed File::Temp and File::Basename to be loaded dynamically in
      Template::Document as and when needed.  Thanks to a patch from
      Bradley Baetz.

    * Added a preload() method to Template::Config to preload in advance
      all the Template::* modules typically used.  Also added call to
      preload() from Template module if $ENV{MOD_PERL} is set.

    * Applied a patch from Randal Schwartz to fix rowspan attribute in
      templates/html/cell and templates/html/row

    #------------------------------------------------------------------------
    # Version 2.08a - 14th August 2002                ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Totally re-implemented the handling of the DEBUG parameter.  Added
      DEBUG_* constants to Template::Constants which can be used to enable
      different debugging options and messages.

    * Added skip_all($reason) to Template::Test and fixed up a whole bunch
      of tests to use it.  Also made other minor fixes to the tests to run
      nicely (or bail politely) under Perl 5.8.0

    * Applied patch from Slaven Rezic to Template::Plugin::Data which
      modifies the locale loading to append various suffixes (e.g. '.UTF-8')
      in the case that the unadorned locale can't be loaded.

    * Bumped version number of File::Spec to 0.8 in Makefile.PL PREREQ_PM.
      Previous versions didn't include splitdir().  Thanks to Slaven Rezic
      for reporting the problem.

    #------------------------------------------------------------------------
    # Version 2.08 - 30th July 2002
    #------------------------------------------------------------------------

    * Applied two minor patches from Leon to remove 'use warnings' from 2
      test scripts to maintain compatability with 5.005

    #------------------------------------------------------------------------
    # Version 2.07c - 22nd July 2002                  ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in Date plugin introduced in last version which caused
      it to ignore the 'time' parameter.

    * Modified INCLUDE_PATH handling in Template::Provider to accept a
      reference to a subroutine or object implementing a paths() method
      as an element in the list.  This is then called to return a
      dynamically generated path.  Documented and tested.

    * Changed the implementation of the NAMESPACE calling code to leave
      the namespace prefix intact on the ident list which then gets
      passed to the handler's ident() method.  Modified the ident()
      method of Template::Namespace::Constants to expect and remove it.
      Constant folding now *doesn't* happen for constants that return
      a reference or undefined value.  These get compiled as regular
      runtime variable lookups.

    * Added new list virtual methods: 'unique' to cull multiple identical
      items, 'merge' to merge lists together, 'splice' which acts
      just like Perl's splice, and 'slice' which returns a slice of the
      list.  Also modified first and last virtual methods to take an
      argument indicating the number of items to return from the start or
      end of the list.  Added the 'chunk' scalar virtual method to split a
      string into chunks of a particular flushed either left or right.
      (darren, mark, abw)

    * Moved documentation for virtual methods into a separate manpage,
      Template::Manual::VMethods

    * Modifed Template::Test to allow -- name testname -- comments to
      be added to tests to give them names, reported by test harness
      (darren)

    * Merged functionality of process() and include() methods into
      process() with optional third $localize flag.  (darren)

    * Modified the OUTPUT option to accept a reference to a list (darren)

    #------------------------------------------------------------------------
    # Version 2.07b - 7th July 2002                   ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Added the CONSTANTS, CONSTANTS_NAMESPACE and NAMESPACE options, the
      Template::Namespace::Constants module, documentation and t/constants.t
      test suite.  This adds support for compile-time constant folding and
      other custom namespace handlers.

    #------------------------------------------------------------------------
    # Version 2.07a - 5th July 2002                   ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Changed the Perl and XS stashes to automatically promote a scalar
      to a list and apply a list virtual method (if defined) as a last
      ditch attempt.

    * Changed Template::Stash::Context virtual methods to import those
      of Template::Stash.

    * Fixed a potential race condition when using compiled templates
      by changing Template::Document::write_perl_file() to write
      to a temporary file and then rename it into place, thus preventing
      two separate processes attempting to write the same file at the
      same time.

    * Added the DEBUG and DEBUG_FORMAT options and the corresponding
      DEBUG directive.

    * Fixed bug introduced to Template::Provider in 2.06g which changed
      handling of trailing slashes on COMPILE_DIR.

    * Fixed a bug in Template::Parser to preserve any post-chomp flags
      that were otherwise ignored when an entire directive is commented
      out, e.g.

        [%# blah
          # blah
        -%]

    * Applied a patch from Harald Joerg so that ttree considers files
      with equal mtime to be "not modified".

    * Applied a patch from Keith Murphy adding the gmt flag to the Date
      plugin.

    * Applied Makefile.PL portability patch from Chris Nandor.

    * Minor documentation fixes.

    #------------------------------------------------------------------------
    # Version 2.07 - 17th April 2002
    #------------------------------------------------------------------------

    * Changed example in synopsis of Template::Plugin::XML::Style to one
      based on that posted to the mailing list by Tony Bowden.

    * Fixed a single/double quoting bug in docsrc which prevented [% and %]
      being correctly displayed in the tables of contents in HTML docs.

    #------------------------------------------------------------------------
    # Version 2.06g - 15th April 2002                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in ttree which prevented it from passing the recurse option
      onto the Template object due to a name mismatch: recurse/recursion

    * Changed Template::Test to accept messages to ok().  Also added is()
      as an alias for match().

    * Fixed an oversight/bug in the XS stash where a missing aTHX_ around
      line 546 caused compilation to fail under Win32.

    * Applied a patch to Template::Provider from Alexander Schilling which
      untaints paths before calling mkpath() to prevent errors under -T.

    * Fixed Template::Parser so that the INTERPOLATE option now works with
      files > 32K, thanks to the efforts of Stephen Adkins.

    #------------------------------------------------------------------------
    # Version 2.06f - 13th March 2002                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in both the Perl and XS Stash modules which resulted in
      virtual methods being called on the base stash, e.g. [% size %]
      was treated as [% stash.size %].  The only exception that we allow
      through is 'import' so that we can [% import(another_hash) %]

    * Fixed the compilation of the XS Stash on earlier versions of Perl
      (e.g. 5.00503) and other platforms (e.g. Win32) by including the
      ppport.h file.

    * Fixed a warning about undefined values in Template::Plugin::Format
      raised by t/format.t

    * Fixed a warning in t/html.t raised when neither Apache::Util nor
      HTML::Entities is installed.

    #------------------------------------------------------------------------
    # Version 2.06e - 12th March 2002                 ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a minor bug in t/tiedhash.t which was trying to use the XS stash
      even if it wasn't enabled.  Thanks to Lyle Brooks for the patch.

    * Added the 'match' virtual method for matching a string against a
      regex and returning a reference to a list of (captured) (backrefs).

    * Changed html filter back into a fast and simple static filter.  Added
      html_entity filter which uses Apache::Util or HTML::Entities to do
      a complete and thorough (but slower) job.  The undocumented 'entity'
      option of the html filter is now removed (but may appear elsewhere).

    * Added the size virtual method for scalars to prove a consistent way
      of testing something.size to see if it has some value(s).  For scalars
      it returns 1.

    * Modified the 'sort' and 'nsort' list virtual methods to allow a sort
      key passed to represent a method to be called on objects in the list
      as well as the key of a value to be fetched from hash references in
      the list.  e.g. [% books.sort('author') %] allows 'books' to contain
      a list of hash refs with an 'author' key or objects with an 'author'
      method.  Thanks to Tony Bowden for suggesting this improvement.

    * Applied a patch from Simon Wilcox to strip MS-DOS \r characters from
      end of lines read by the Datafile plugin.

    * Applied a patch from Ville Skyttä which fixes numerous minor bugs
      in various splash templates.

    * Added the 'defined' and 'exists' virtual hash methods for testing if
      a value has a defined value, or exists in the hash, respectively.

    * Applied a patch from Stathy Touloumis to make the XS Stash thread safe.

    * Added the 'grep' virtual list method.

    * Applied a patch from Mark Fowler to improve the XML XPath plugin's
      handling of nested elements.

    * Fixed handling of prefix support in template() and insert() methods
      of Template::Content.  Any prefix is stripped from the name but passed
      as the second argument to the provider fetch() method.  e.g.
      [% INCLUDE foo:bar %] calls the foo $provider->fetch('bar', 'foo') and
      [% INCLUDE http://tt2.org/t/templates/hello %] results in a call to
      $provider->fetch('//tt2.org/t/templates/hello', 'http')

    #------------------------------------------------------------------------
    # Version 2.06d - 22nd January 2002               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied a patch to the DBI plugin from Simon Matthews to stop it
      from closing a DBH which was passed in open from an external source.

    * Applied another patch from Simon to fix a bug with compiled templates
      which were never being loaded due to a '<' comparison of timestamps
      rather than '<='.  See
      http://tt2.org/pipermail/templates/2002-January/002361.html

    * Applied a patch from Doug Steinwand which fixes a minor bug in the
      XS Stash as reported by Andrey Brindeew:
      http://tt2.org/pipermail/templates/2002-January/002475.html

    * Changed URL plugin to accept multiple values for CGI parameters, e.g.
      [% USE URL('/cgi-bin/foo', items=[10,20]) %] generates a URL like:
      /cgi-bin/foo?item=10&amp;item=20

    * Applied a patch from David D. Kilzer to Makefile.PL to add -I flags
      to the various invocations of perl that we missed, and also to add
      a clean/FILES target for WriteMakefile().  See.
      http://tt2.org/pipermail/templates/2002-January/002431.html

    * Fixed Makefile.PL to warn, not die, about mandatory modules, leaving
      it to the definitions in the PREREQ_PM which the CPAN module can
      understand.  Thanks to Leon for waving the flag.

    * Applied Leon's doc patch to the Table plugin to demonstrate
      row/column transposition.

    * Added ucfirst and lcfirst filters to fold first character to upper
      or lower case respectively.  Thanks to Paul Makepeace for the patch.

    * Fixed truncate method of String plugin to not append suffix if the
      string is already shorter than the required length.  Thanks to
      Yann Kerhervé for the patch.

    #------------------------------------------------------------------------
    # Version 2.06c - 20th December 2001              ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Changed both Perl and XS Stash modules to try to apply a SCALAR_OPS
      virtual method to a blessed object as a last-ditch chance if all else
      fails.  Thanks to Tony Bowden for reporting the problem.  See
      http://tt2.org/pipermail/templates/2001-December/002263.html

    * Added tie() method to DBI plugin which interfaces to the Tie::DBI
      module, based on some plugin code sent to me courtesy of Dave
      Hodgkinson.  Also made various minor cleanups to DBI code and updated
      documentation and tests.  Incidentally, this tickled the missing
      feature in the XS stash which doesn't yet support tied hashes.

    * Applied a patch from Christian Schaffner which fixes a problem in
      the Makefile.PL for installation via the fink package manager under
      Mac OS X.

    * Fixed up some of the ugliness in the docsrc tools.

    #------------------------------------------------------------------------
    # Version 2.06b - 2nd December 2001               ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Added the Template::Plugin::Filter module to make plugin filters
      easier to write and rewrote the Template::Plugin::XML::Style to use
      it.

    * Added the Template::Plugin::String module which provides a nice
      object oriented approach to string manipulation.

    * Added the '_' string concatenation operator.  [% foo = bar _ baz %]

    * Applied Craig's suggested fixes to the parser to correct potential
      precendence problems and added tests to the test suite.  See:
      http://tt2.org/pipermail/templates/2001-November/002138.html

    * Applied Leon's patch to Template::Service to delete the 'template'
      entry added to the variable hash at the end of processing.

    * Fixed an obscured bug/oversight in Template::Plugins which tested
      generated plugin objects for truth rather than definedness to see if
      the plugin returned was valid.  This can cause problems if your
      object has an overloaded stringification operator which gets called
      (but shouldn't) and could return an untrue (but correct) value.

    * Fixed t/dumper.t to only have one entry in each hash to avoid hash
      ordering problems.  Thanks to Randal for reporting the problem.

    * Added the assert() subroutine to Template::Test.

    * Added some more content to the FAQ.

    #------------------------------------------------------------------------
    # Version 2.06a - 19th November 2001              ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Added the XML::Style plugin for doing simple XML stylesheet like
      transformations and t/xmlstyle.t.

    * Fixed a bug in the DBI plugin where nested loops could cause the inner
      query to overwrite the _STH of the outer query causing the outer loop
      to end prematurely.  Thanks to Dave Hodgkinson, Craig Barratt and Simon
      Matthews for working on the problem and solution.  For more info, see
      http://tt2.org/pipermail/templates/2001-November/002067.html

    * Applied a patch from Aleksey Nogin to Makefile.PL to call bin/gifsplash
      with the '-i' option.  This fixes the problem reported by Kenny Flegal:
      http://www.tt2.org/pipermail/templates/2001-November/002028.html

    * Applied a patch from Stas Bekman to add 'align' to template/html/row.

    #------------------------------------------------------------------------
    # Version 2.06 - 7th Nov 2001
    #------------------------------------------------------------------------

    * Fixed a bug in t/compile5.t which caused the following test warning on
      Win32: "Cannot chdir to D/blah/blah/Template-Toolkit-2.05c/t/test: No
      such file or directory at t\compile5.t line 73".  Thanks to Chris
      Winters for finding the bug and testing the fix.

    #------------------------------------------------------------------------
    # Version 2.05d - 6th Nov 2001                    ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in the parser which was missing a '^' anchor on the regex
      matching the TAGS directive, causing it to match anywhere.  Thanks to
      Dominic Mitchell and Adrian Howard for reporting and fixing the problem.
      See http://tt2.org/pipermail/templates/2001-October/001760.html

    * Modified Template::Parser to correctly handle "\t" and "\r" in double
      quoted strings as well as "\n".  Added test to t/parser.t

    * Applied a patch from Stas Bekman to add 'valign' as an option to the
      html/cell template.

    * Applied a patch from Harald Joerg to document the 3rd $default
      option to Template::Stash::set().

    * Fixed a problem in the docsrc build whereby double quote strings
      were causing embedded variables to be incorrectly interpolated, e.g.
      [% INCLUDE xyz title="set($var, $val, $default)" %] is now
      [% INCLUDE xyz title='set($var, $val,  $default)' %].  Thanks to
      Harald Joerg for reporting the problem.

    #------------------------------------------------------------------------
    # Version 2.05c - 22 Oct 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied a patch from Tony Payne which fixes a bug where templates were
      being mangled under mod_perl due to a missing O_TRUNC on a sysopen().
      See http://www.tt2.org/pipermail/templates/2001-October/001834.html

    * Fixed the mess I made of Pudge's XS Stash patch applied in 2.05b.

    * Updated the INSTALL/README guides to note the PPM installation for
      Win32 users.

    #------------------------------------------------------------------------
    # Version 2.05b - 21 Sep 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied a patch from Chris Nandor to bring the XS stash in line with
      the regular Perl stash wrt accepting defined but empty keys.  See
      http://www.tt2.org/pipermail/templates/2001-September/001695.html

    * Applied a patch to Template::Provider from Craig Barratt to fix
      a bug when caching is turned off (CACHE_SIZE = 0).  See
      http://www.tt2.org/pipermail/templates/2001-September/001682.html

    * Moved installation out of README into a separate INSTALL file and
      added the HACKING document as a pointer to the internals docs.

    * Added the 'uri' filter for URI escaping text.

    #------------------------------------------------------------------------
    # Version 2.05a - 12 Sep 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Applied a patch from Chris Nandor to use 'MSWin32' as a specific O/S
      detection rather than /win/i which gives a false positive for 'Darwin'.
      Needless to say, that's something of an insult to Darwin  :-).  Also
      fixes Template::Provider to use File::Spec::file_name_is_absolute() to
      test for absolute paths instead of the previous kludge.

    * Updated Template::Manual::Internals to include information about
      how to prepare patches and other useful information for potential
      TT hackers.

    * Added some code to the XS Stash to handle trivial access to tied
      hashes.  Regular set/get/default should work as expected, but at
      present intermediate hashes are not auto-vivified on assignment,
      e.g. [% these.dont.get.created.in.XS.but.do.in.the.perl.stash = 10 %]

    #------------------------------------------------------------------------
    # Version 2.05 - 11 Sep 2001
    #------------------------------------------------------------------------

    * Bumped version number and updated documentation for release.

    #------------------------------------------------------------------------
    # Version 2.04f - 10 Sep 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in the Date plugin which was performing one localtime() too
      many when a date was passed in to the format() method.  e.g. the result
      from date.format('12:59::00 30/09/2001', '%H:%M') was 13:59 not 12:59.
      Thanks to Thierry-Michel Barral and Matthew Tuck for reporting the
      problem.

    * Incorporated Doug's new version of the XS Stash.  It fixes the problem
      with strings not being recognized as integers (and the item = item + 1
      problem). It also adds a few additional tests for this situation to
      t/stash-xs.t

    * Fixed a minor bug in Makefile.PL which looked for 'msql' or 'mysql' as
      the default DBD for testing DBI but didn't select a suitable default
      if the above drivers weren't available.

    #------------------------------------------------------------------------
    # Version 2.04e - 06 Sep 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed bug in 'list' entry in $HASH_OPS in both Template/Stash.pm and
      Template/Stash/Context.pm to return '%$hash' instead of 'values %$hash'.
      Thanks to Craig Barrett for reporting the problem.

    * Applied a patch from Craig to Stash.pm and Stash/Context.pm to
      accept negative integers as array indices, counting back from the
      end of the list as in Perl.  This brings it into line with the new
      XS Stash.
      http://www.tt2.org/pipermail/templates/2001-August/001493.html

    * And another patch from Craig to allow $var and ${var} to be used as
      keys in hashes.
      http://www.tt2.org/pipermail/templates/2001-August/001410.html

    * Modified Template::Plugins fetch() method to accept $factory as a
      code reference.  Then changed _load() to return a closure for
      regular Perl modules loaded (via LOAD_PERL option) which, which
      called by fetch(), removes the first argument, the $context
      reference, which the non-plugin module won't be expecting.  This
      fixes the problem reported (and also fixed but in a slightly
      different way) by Lyle Brooks, here in these messages:
      http://www.tt2.org/pipermail/templates/2001-August/001397.html
      http://www.tt2.org/pipermail/templates/2001-August/001406.html

    * Removed the eq, ne, gt, lt, ge and ne operators added in 2.04d.  Given
      that they can (and did) break code that had existing variables with
      those names, I decided it was best to strip them out again and think
      more carefully about adding them to an official release.  Hence they're
      not going to be in 2.05.

    * Fixed an outrageous oversight in the HTML 'rgb' template by defining
      'orange' as a valid colour (I can't believe Leon hasn't already sent
      me a patch for this!)  Created a new custom colour scheme in the
      Makefile.PL which uses it.  Hacked the Makefile.PL and the generated
      ttree config file to allow text colours to be specified as well as
      button background colours.

    #------------------------------------------------------------------------
    # Version 2.04d - 29 Aug 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Incorporated Doug Steinwand's XS Stash.  This adds the files in the
      'xs' directory, t/stash-xs.t, bin/tt-bench.pl and includes some work
      on the Makefile.PL to incorporate the required prompting, etc.

    * Added gt, ge, lt and le as comparison operators which map directly
      to their Perl counterparts.  Added tests to t/stash.t and relevant
      documentation to the IF directive.

    * Applied some patches from Leon and Doug to enhance the coverage of
      the test suite.

    * Added 'sorted' as a flag to the HTML plugin to return attributes in
      sorted order.  Mainly for debugging purposes, as used in t/html.t.

    * Fixed Template::Parser.pm to recognise "\r" as a valid escape sequence
      in double quoted strings.

    #------------------------------------------------------------------------
    # Version 2.04c - 04 Aug 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed t/dbi.t and t/latex*.t to not complain about "Test header seen
      twice".  Thanks to Leon.

    #------------------------------------------------------------------------
    # Version 2.04b - 04 Aug 2001                     ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Fixed a bug in the Makefile.PL which prevented the correct targets
      from being added to the generated Makefile to install additional
      components, build HTML docs, etc.

    * Applied a patch from Chris Nandor to fix a bug introduced by the taint
      checks in 2.04 which barfed on ';' in filenames.  Also changes open()
      to sysopen() in Template::Document for additional security.  See
      http://www.tt2.org/pipermail/templates/2001-August/001348.html

    * Another part of the same pudge patch adds FACTORY as a default value
      to Template::Parser to allow Template::Directive factory class to
      be replaced.

    #------------------------------------------------------------------------
    # Version 2.04a - 5th July 2001                   ## DEVELOPER RELEASE ##
    #------------------------------------------------------------------------

    * Changed GD plugin and tests to require GD version 1.20.  See
      http://www.tt2.org/pipermail/templates/2001-July/001212.html

    * Applied Craig's fix for the DBI plugin to correctly destroy a
      statement handle to ensure that finish() gets called on it even if the
      iterator doesn't complete.  See:
      http://www.tt2.org/pipermail/templates/2001-July/001216.html

    * Further to Craig's points in the above post, I added get_all() and
      get() to the DBI iterator so that you can now do this:

      [% people = DBI.query(...) %]
      [% person = people.get %]   # first person
      [% person = people.get %]   # second person
      [% FOREACH person = people.get_all %]
         # third to nth person(s)
      [% END %]

    * Fixed Template::Provider which wasn't saving compiled templates to
      disk when specified with an absolute path, as reported by Merlyn.  See
      http://www.template-toolkit.org/pipermail/templates/2001-July/001213.html

    * Updated Makefile.PL to accept various command line args including
      TT_ACCEPT to automatically accept all default values and TT_QUIET to
      shut the file up with all those yackety yack, yack messages.

    #------------------------------------------------------------------------
    # Version 2.04 - 29th June 2001
    #------------------------------------------------------------------------

    * Applied a patch from Craig Barratt to both the regular
      Template::Stash and the alternate Template::Stash::Context which
      allows array indexes into hashes and arrays (slices) in the same
      manner as Perl.  For example:

        [% keys = [ 'foo', 'bar' ]
           vals = hash.$keys	# [ hash.foo, hash.bar ]

           keys = [ 2, 3, 7 ]
           vals = list.$keys        # [ list.2, list.3, list.7 ]
        %]

    * Applied another patch from Craig to Parser.pm which fixes a bug
      relating to text strings being interpolated in a numerical context.
      See: http://www.tt2.org/pipermail/templates/2001-April/000901.html

    * Applied yet another patch from Craig ("Man of the Patch" for v2.04 :-),
      to fix a problem with NEXT not working inside switch:

        FOREACH and WHILE now get a LOOP: label, and NEXT and LAST now
        generate "next LOOP;" and "last LOOP;".  However, the original
        code allows naked "NEXT" or "LAST" (which behave like STOP).  I
        didn't want to change this behavior, so NEXT and LAST only get the
        LOOP label inside loops (except in the top-level atomexpr FOREACH
        and atomexpr WHILE cases, which should be ok).

    * Does he ever sleep!  :-) Another patch from Craig to improve upon
      the ref->template mapping feature in Template::View.  Documentation
      pending.  For further details, see
      http://www.tt2.org/pipermail/templates/2001-June/001161.html

    * Applied a patch from Mark Fowler, which fixes the problem with
      search/replace virtual methods incorrectly returning with a search
      pattern of '0'.  e.g. [% bob = '0'; bob.replace('0', 'zero') %]
      now returns 'zero' instead of ''.

    * Applied a patch from Doug Steinwand to prevent the Stash from
      raising undef error reporting 'Can't locate object methof "bar" via
      package "Foo"' unless $DEBUG is enabled.

    * Applied a patch to the DBI plugin from Rafael Kitover which calls
      the DBI connect_cached() method instead of connect() to allow
      connection caching in a persistent server environment (e.g. Apache
      mod_perl).

    * Changed html filter to be a dynamic filter factory, allowing the
      'entity' option to be set to prevent entities of the form
      '&word;' being converted to '&amp;word;'

        [% FILTER html(entity = 1) %]
           < &amp; >		    # &lt; &amp; &gt;
        [% END %]

    * Changed Template::Stash to propogate any object errors that
      are references (e.g. Template::Exception objects or otherwise)
      or string that don't look like "Can't locate object method ...".

    * Fixed various typos in docsrc/xml/ttdocsrc with a deft:
      s/Plugin::GD::Graphs/Plugin::GD::Graph/g;

    * Applied a patch from Leon Brocard to remove a suspect test from
      t/filter.t which Chris Nandor reported as causing problems.

    * Added Craig's comments on replace backreferences and TT grammar to
      TODO list.

    * Applied various patches from Leon: to remove redundant "print 1..0"
      in various t/*.t files; to add '1;' to end of '.defaults.cfg' file;
      and to fix t/vmeth.t and t/leak.t to run correctly under latest
      bleadperl.

    * Applied a patch from Jonas Liljegren to fix problems with errors
      being raised in -T taint mode.

    * Fixed another problem identified by Jonas so that filters are no
      longer cached.  See:
      http://www.tt2.org/pipermail/templates/2001-June/001192.html

    #------------------------------------------------------------------------
    # Version 2.03 - 15th June 2001
    #------------------------------------------------------------------------

    * Added new virtual methods 'item', 'list', 'hash' to each of scalar,
      list and hash ops to Do The Right Thing to convert the original value
      to what the caller wants.  This is based on a patch supplied by Craig
      Barratt...

    * ...which implements a number of new features to the stash, most
      notably the ability to specify the context in which you want an
      object method or subroutine to be called in by appending '.list' or
      '.scalar' to a dotted variable.  e.g. [% cgi.param('foo').scalar %].
      I haven't folded this patch into the core Stash yet (other than
      adopting the virtual methods described above) but it's provided as
      an alternate stash implementation, Template::Stash::Context, which
      you can create and specify to your Template object via the STASH
      configuration option.  I'd like to a) benchmark it and b) give
      people the option of trying it out (and hacking on it?) before
      integrating the new features into the default stash.

    * Applied a patch to add the Latex filter and GD plugin functionality,
      thanks to the excellent work of Craig Barratt and Richard Tietjen.
      In Craig's words:

        Here is a new version of my Latex filter and GD plugin code.
        (This adds a latex filter that supports PDF, PS and DVI output,
        plus 16 or so plugins for the GD::* modules, allowing PNG, GIF
        output.)

        [Includes] Richard Tietjen's changes for the latex filter for WinXX
        [which] didn't make it into the May 20th version.  The new version
        includes the correct changes for WinXX and also now has been
        tested against TexLive and MikTeX on WinXX.

      Craig's patch also included full documentation so you can read all about
      it in the Manual and Module pages.  In addition, the Makefile.PL now
      searches for GD modules and external Latex programs and does some extra
      user prompting for confirmation of Latex installation/configuration.
      Not only that, but Craig also managed to roll in a couple of other
      minor bug fixes and documention updates.  Nice work!

    * Fixed the parser to accept fully dotted up variable assignments in
      argument lists, e.g. in INCLUDE, etc.  You can now do this:

      [% INCLUDE html/head
          html.head.title = 'My Title'
      %]

      Note however that the assignment to such variables is always "global",
      even though INCLUDE claims to localise the stash.  Remember that the
      localisation does not perform a deep copy so the localised copy of
      the 'html' variable might just be a copy of the reference to a previously
      defined hash array.  Thus, you modify the original albeit via a copy
      of the reference to it.  See INCLUDE section of
      Template::Manual::Directives for further details.

    * Added 'base' option to Template::View.  This allows one view to inherit
      from another "base class" view.  If a template isn't defined in a
      derived view then it automatically asks its base view for it, and so
      on up the inheritance tree.

        [% VIEW myview.default
                prefix = 'view/default/';
           END
        %]
        [% VIEW myview.fancy
                base   = myview.default
                prefix = 'view/fancy/';
           END
        %]

      In this example, [% myview.fancy.header %] will be resolved as
      [% INCLUDE view/fancy/header %] or [% INCLUDE view/default/header %]
      if 'view/fancy/header' doesn't exist.  Variables are also inherited.

    * Added the 'sealed' and 'silent' parameters to VIEW to allow view to be
      optionally unsealed (allow external variable updates/creation) and
      to silence warnings about attempts to update sealed variables,
      respectively.  See the Template::Manual::Views page for more info on
      this and previosu item.

    * Added the HTML plugin for generating (very basic) HTML elements.
      See the Template::Plugin::HTML documentation.

    * Added the present() and content() methods to XML::DOM::Node in the
      XML::DOM plugin to make them work harmoniously with VIEWs.  See the
      Template::Plugin::XML::DOM documentation for further details.

    * Did the same for Template::Plugin::XML::XPath, adding present($view)
      and content($view) methods to XML::XPath::Node::Element and a
      present($view) method to XML::XPath::Node::Text.  See the
      Template::Plugin::XML::DOM documentation for more details.

    * Added the calc() method to the Date plugin to return an interface to
      the Date::Calc module.  e.g.

        [% USE Date; calc = Date.calc %]
        [% calc.Monday_of_Week(22, 2001).join('/') %]

    * Moved Template::Tutorial to Template::Tutorial::Web and added the
      tutorial kindly donated by Dave Cross on generating and using data
      files with TT as Template::Tutorial::Datafile.  Template::Tutorial
      is now an index to the tutorials.

    * Changed the bin/tt2inst script to no longer use the 'no_chdir' option
      of the File::Find module which isn't supported in earlier version such
      as distributed with pre-5.6.0 Perl.  Thanks to a patch from Vivek
      Khera <khera@kcilink.com>.  Changed Makefile.PL to accept File::Spec
      version 0.6 or later.

    * Fixed a bug in the FOREACH directive which would barf with the error
      "undef error - loop is undefined" when DEBUG was enabled.

    * Applied a patch from Eric Cholet to fix a bug in META data items not
      correctly escaping ' and \ characters.

    * Applied another patch from Eric to fix "Use of uninitialised value"
      warning when using a subclassed parser.

    * Applied a patch to ttree from Leon Brocard print full path for ignored
      files.

    * Fixed typo in the ttree help page which incorrectly listed debug
      mode as '-d' (now '-dbg' as well as '--debug')

    * Fixed (hopefully once and for all!) the problem with choming the
      final newline in a template.  The last newline is now chomped just
      like any other, depending on the POST_CHOMP flag and/or trailing '-'
      in the directive.  e.g.

        [% FILTER latex('ps') %]
           ...
        [% END -%]

      If you explicitly want a newline then make sure one is added to the
      end of the template and don't enable POST_CHOMP or add a trailing '+'
      in the directive, e.g.

        [% INCLUDE footer +%]

    * Made a number of fixes to the HTML generated by the Splash! and HTML
      libraries to make it conformant with HTML 3.2 specificiation.  Added
      DOCTYPE to html/header, ALT tags, ... added html/head, html/body and
      html/html to do more thorough job using nested variables.  Also added
      html/config to load HTML plugin.  Full conformance is still an issue,
      but we're working on it...

    #------------------------------------------------------------------------
    # Version 2.02 - 6th April 2001
    #------------------------------------------------------------------------

    * Updated various components of the Splash! library, cleaned up some
      ugliness (a little) and revised the examples.  Documentation in
      Template::Library::Splash is now hopelessly out of date but examples
      are more comprehensive.  Makefile.PL now prompts user to select a
      colour scheme for creating the documentation and examples.

    * Fixed problems with Splash! images displaying the "wrong" colour on
      certain systems.  It appears to be the case that this was automatic
      gamma correction at work, an otherwise very cool feature of PNG
      files.  Alas it broke things here so we've switched to GIF files.
      Also made an improvement to the way of generating and using the
      images.  By using simple transparency and doing away with the
      anti-aliasing it's possible to support any foreground colour for a
      set of images in a background colour.  One set of black images are
      now distributed with TT.  These are blown into many colours during
      installation, implemented by the bin/gifsplash script and defined
      as the 'tt2_splash' Makefile target, run automatically as part of
      'make install'.

    * Changed redirect filter factory and the underlying Template::_output
      method to accept a 'binmode' flag.  The bin/gifsplash script sets
      this flag to ensure that the GIFs generated for Splash! are valid on
      Win32 platforms (it's a good job SAM knows what binmode is for... :-)

    * Applied a patch from Leon Brocard to add 'recurse' and 'verbose'
      options to the ttree.cfg files generated by Makefile.PL.  Their
      absence was preventing the docs and examples from being built
      (unless, like the stupid author, you already had a default
      ~/.ttreerc which included these flags :-).

    * Fixed Makefile.PL to check for File::Spec 0.82, thanks to the efforts
      of Doug Steinwand and Leon who found and fixed the problem with
      'splitdir' otherwise not being available.  Later changed requirement
      from 0.82 to 0.80 because this is the version currently distributed
      with ActivePerl 5.6.0 and it appears to work just fine (saves those
      poor Win32 users from having to install any more modules than
      absolutely necessary)

    * Removed test for platform specific error messages from t/xpath.t
      Removed warning from README that this test would fail.  Thanks
      again to Leon for the patch and to <umun@yahoo.com> (no name
      given) for reporting the problem.

    * Applied another patch from Leon to fix Template::Base.pm to avoid
      "Use of uninitialized value..." warnings.

    * Applied yet more patches from Leon to add "use Template::Plugin" or
      something similar to the File, Directory and View plugins.  'use
      base' doesn't work as advertised (e.g. in ensuring the module is
      loaded) in older versions of Perl.

    * Fixed t/leak.t to only run one particular test if Perl version is
      5.6.0 or greater.  Test fails on earlier versions due to destructors
      being called in a different order.

    * Updated Makefile.PL to supply a more typical default installation
      directory for Win32 systems - C:/Program File/Template Toolkit 2/.
      This brought to light numerous bugs (following) which were fixed
      with the invaluable help of Simon Matthews and Theakston's Black
      Sheep Ale... :-)

    * Pathnames generated in the Makefile.PL for the Makefile are now all
      "double quoted" to protect embedded whitespace, e.g. when building
      docs: ttree -f "C:/Program Files/...")

    * Patched Template/Provider.pm in several places to strip out any
      extra ':' characters put in the wrong place of a path.  For example,
      when writing compiled template "C:/foo" to disk with a COMPILE_DIR
      of "C:/bar", the resulting file is now "C:/bar/C/foo" instead of
      the erroneous "C:/bar/C:/foo".

    * On Win32 systems, provider prefixes must be more than 1 character in
      length.  This is a compromise for cases where you might want to do
      something like: [% INCLUDE C:/foo/bar %].  Remains unchanged on
      other platforms.

    * On Win32 systems the DELIMITER now defaults to a slight variation of
      ':' if not otherwise set.  It now uses /:(?!\/)/ to split on ':'
      where not followed by '/'.  This makes things like INCLUDE_PATH =>
      'C:/here:C:/there' work properly, although setting a more suitable
      DELIMITER for Win32 systems (e.g. ';') is still recommended (we tried
      automatically setting it to ';' on Win32, but that caused more problems
      than it was worth).

    * Changed Template::Provider to consider a file starting (\w:)?/ as an
      ABSOLUTE path when running on Win32 (e.g. C:/foo).  On other
      platforms, it remains unchanged, looking only for a leading '/'.
      Also changed ttree to do the same, so that 'ttree -f C:/test.cfg'
      is treated as an absolute path and it doesn't try and prefix it
      with the ttree configuration file directory.  Note that ttree
      does this regardless of OS.

    * Fixed stringification problem identified by SAM.  Objects that have
      auto-stringification sometimes didn't get properly stringified at the
      right time.  e.g. [% a = "$an_obj" %].

    * Fixed File and Directory plugins to gracefully ignore Perl dying with
      "getpwuid() not supported on this platform" errors on Win32.  The
      'uid' and 'user' attributes of File and Directory plugin objects
      are left undefined.

    * Then, hacked t/file.t and t/directry.t test to not be run under
      Win32.  There are a couple of outstanding minor problems with these
      test scripts caused by differences in '/' and '\' as path
      separators.  Need to fix these at some point.

    * Makefile.PL now saves configuration options in '.defaults.cfg'
      file, using these values as defaults when run again.

    * Removed duplicated $VERSION from DBI and XML::DOM plugins, thanks
      to Jonathan Leffler.

    * Updated documentation to reflect new changes.

    #------------------------------------------------------------------------
    # Version 2.01 - 30th March 2001
    #------------------------------------------------------------------------

    * Added the various template libraries in the 'templates' directory.
      The 'html' library implements some generally useful HTML elements.
      The 'pod/html' libraray contains some templates for converting POD to
      HTML, used in building the TT2 HTML documentation, for example.  The
      'ps' library contains templates defining a few useful marks and other
      procedures for generating PostScript pages.  The 'splash' directory
      contains templates for the "Splash!" library which implements a
      widget set for building stylish HTML user interfaces.

    * Added a host of example pages in the 'examples' directory which
      demonstrate use of the above libraries.

    * Added an 'images' directory to contain the small images used to build
      up the Splash! interface components.

    * Added the 'docs' directory containing templates and library elements
      for building the TT2 documentation as HTML pages.

    * Updated Makefile.PL to now offer to install optional libraries,
      images, build HTML docs, examples, etc.  Adds 'tt2_install',
      'tt2_html_docs' and 'tt2_examples' as Makefile targets if requested.
      These then get run as part of "make install".

    * Totally re-organised the documentation, splitting the long user manual
      into separate Template::Manual::* pages, adding the Template::FAQ,
      Template::Internals, and various other changes.  All POD and HTML
      documentation is built from the same sources in the form of another
      set of templates, POD files, XML files, scripts, etc., distributed
      separately as the 'docsrc' bundle, and available from the web site.
      The POD documentation now gets glued onto the end of the .pm
      modules and only creates separate .pod files for those manual pages
      that don't have equivalent modules (e.g. Template::FAQ, etc.)
      NOTE: this might mean that existing .pod files from earlier versions
      of TT might mask documentation in newer .pm files...

    * Added the Template::View module, the VIEW directive and the View
      plugin which can be used collectively to create dynamic views.  This
      is a very powerful tool which fulfills a number of requirements and
      makes possible a number of things that have previously been messy,
      difficult or not possible.  Views are primarily collections of
      templates.  You can define BLOCKs within a view and they remain
      local to it, but can be called from outside the view.  This is still
      very experimental.  Things are likely to change.  See
      Template::Views for (incomplete) documentation and take a look at
      t/view.t for examples.

        [% VIEW fancy_html
    	    prefix = 'splash/'		# template prefix/suffix
    	    suffix = '.tt2'
    	    bgcol  = '#ffffff'		# and any other variables you
    	    style  = 'Fancy HTML'       # care to define as view metadata,
    	    items  = [ foo, bar.baz ]	# including complex data and
    	    foo    = bar ? baz : x.y.z  # expressions
        %]

    	[% BLOCK header %]		# define "private" view blocks
    	   Title: [% title %]
    	[% END %]

        [% END %]				# end of VIEW definition

        [% v = fancy_html %]		# view is a regular object ref, re-
        [% mycode(v) %]			# assign it, pass it around, etc.

        [% v.title %]			# access view metadata

        [% v.header(title = 'Foo!') %]	# view "methods" process blocks or
        [% v.footer %]			# templates with prefix/suffix added
    					# => [% INCLUDE splash/footer.tt2 %]

    * Added the facility to specify multiple templates within a PROCESS,
      INCLUDE, INSERT or WRAPPER directive.  For all but WRAPPER, the
      templates are processed in the order specified.

        [% PROCESS config + header + menu %]
        [% INCLUDE section/break + html/titlebar
             title='A New Section'
        %]
        [% WRAPPER edge + box + titlebar %]
           ...
        [% END %]

      Multiple WRAPPER templates get processed in reverse order to create
      the correct nesting effect.  In the example above, the enclosed block
      is processed and passed to 'titlebar' which wraps it and passes the
      output to 'header' which wraps it and passes the output to 'box', which
      wraps it and passes the output to 'edge' which wraps it and returns the
      output.  Thus the specification order is outermost to innermost, but
      they are actually processed from the inside out.

    * Templates specified to INCLUDE, PROCESS, WRAPPER and INSERT can now
      be given a prefix (delimited by ':', as in "file:blahblah.txt" or
      "http://www.tt2.org/index.html", for example) which maps them to a
      particular template provider or providers.  A PREFIX_MAP
      configuration option can be specified as a hash array mapping prefix
      names to a reference to a list of providers.  For convenience, you
      can also specify the argument as a string of integers, delimited by
      any non-numerical sequence, to indicate indices into the LOAD_TEMPLATES
      provider list.  e.g.

        my $template = Template->new({
    	LOAD_TEMPLATES => [ $foo, $bar, $baz, $wiz ],
    	PREFIX_MAP => {
    	    src => '0, 2',	# $foo and $baz
    	    lib => '1, 2',	# $bar and $baz
    	    all => '0, 1, 2',	# $foo, $bar and $baz
    	}
        });

      Thus [% INCLUDE src:hello.tt2 %] indicates the 'hello.tt2' template
      to be provided by $foo or $baz, [% INCLUDE lib:hello.tt2 %] is mapped
      to $bar and $baz, [% INCLUDE all:hello.tt2 %] can be provided by
      $foo, $bar or $baz, and the default [% INCLUDE hello.tt2 %] is
      mapped to the entire LOAD_TEMPLATES list: $foo, $bar, $baz and $wiz.
      This is initially useful for things like ttree which would like a way
      to differentiate between templates in one place and templates in
      another.  It can also be used, of course, to provider special providers
      for certain file type, as in http://fetch.some.file.com/blah/blah/...

    * Fixed the parser to accept expressions on the right hand side of
      parameter definitions for INCLUDE, etc.  e.g.

        [% INCLUDE header
             title = my_title or your_title or default_title
             bgcol = (style == 'dark' ? '#000000' : '#ffffff')
        %]

    * Added the PLUGIN_FACTORY configuration option to Template::Plugins
      to allow class names or object prototypes to be specified for plugins.
      No module loading is attempted, unlike the existing PLUGINS which
      assumes entries are module names which it tries to load.  This may
      change in a future release (ideally by integration with PLUGINS) so
      it remains undocumented for now.

        package My::Plugin;
        ...

        package main;

        my $tt = Template->new({
    	PLUGIN_FACTORY => {
    	    plugin1 => 'My::Plugin',         # class name
    	    plugin2 =>  My::Plugin->new(),   # prototype obj
    	},
        });

    * Added the File and Directory plugins which blossomed from the
      Directory plugin written by Michael Stevens and posted to the
      mailing list.  These give you access to files and directories on
      your filesystem and also allow you to create representations of
      abstract files/dirs.

      WARNING: recognise that this gives the author of any templates you
      run access to information about your filesystem.  We assume that the
      author of your templates is you or someone you trust to have access
      to that kind of information.  If you're running "untrusted"
      templates (we assume you know what you're doing) then you'll very
      probably want to disable these plugins.  Alas there is no easy way
      to disable plugins at the moment other than deleting them or writing
      null or error throwing plugins to mask them.  Making this easier is
      a TODO.

    * Added the Pod plugin which uses the Pod::POM module to parse a Pod
      file or text string and build an object model.  You can then walk
      it and present it in different ways using templates.  Great for
      building HTML documentation from Pod and unsurprisingly used to
      build the new TT2 docs.

    * Applied a patch from Chris Nandor to add a new feature to the
      PRE_CHOMP and POST_CHOMP options.  When set to 1, they continue to
      act as before.  When set to 2, all whitespace is collapsed into a
      single space.  CHOMP_NONE, CHOMP_ALL and CHOMP_COLLAPSE are
      defined in Template::Constants and can be imported as the :chomp
      tagset, for those who want them.

    * Applied a patch from Doug Steinwand to fix a problem in
      Template::Provider which would server stale templates if the
      modification time of the files went backwards.  In addition, it now
      uses the $Template::Provider::STAT_TTL (time to live) variable
      (default: 1) to determine how often to stat the files to check for
      changes.  TT2 now supports time running backwards!  :-)

    * Applied a patch from Vivek Khera which fixes a memory leak in the
      MACRO directive, prevalent when using TT under mod_perl.  Also added
      t/leak.t to test that memory is properly freed and circular references
      broken by the delocalisation of the stash.  All seems to work as expected
      including plugins that contain context references, MACRO definitions,
      and so on (but note that this is the test suite run from the command
      line, and doesn't explicitly test under mod_perl...)

    * Applied a patch from Axel Gerstmair to fix a bug in PERL blocks
      and filters which caused references to the context and stash to be
      kept in global package variables.  This meant they stayed alive for
      far too long.  Added a couple of tests to t/leak.t to check this now
      works OK.

    * Fixed a bug in the parser triggered by [% CATCH DEFAULT %].  Thanks
      to Vivek Khera for reporting the problem.  This also fixes a problem
      reported by Thierry-Michel Barral which was causing bare 'CATCH'
      blocks to not catch errors and instead pollute STDERR.

    * Fixed another bug in the parser preventing double quoted META attributes
      from containing single quotes, e.g. [% META title="C'est un test" %].
      Thanks to Philippe Bruhat for reporting the problem.

    * Added the 'indent' filter to indent a block by prefixing each line with
      a specified string, or a number of spaces when the argument is numerical.

    * Added the 'trim' filter to remove leading/trailing whitespace and
      'collapse' filter to additionally collapse multiple whitespace characters
      to a single space.

    * Added escapes for ' (&apos;) and " (&quot;) to the html filter, thanks
      to Lyle Brooks and Vivek Khera.  Then, having done that, I removed
      the &apos; escape because my browser didn't recognise &apos; as a
      valid entity.  What's going on here?  Need to check the HTML spec...

    * Added tag style 'star' of the form [* ... *]

    * Changed the Template::Stash get() and set() methods to accept a
      compound variables as a single parameter and automatically convert
      it to an array.  Note that it doesn't correctly handle arguments
      to dotted elements (e.g. foo(10).bar(20), but does mean that you can
      now write $stash->get('foo.bar.baz') instead of the more laborious
      $stash->get(['foo', 0, 'bar', 0, 'baz', 0]).

    * Fixed a bug in Template::Stash which was raising an error when an
      element on the left hand side of a '.' evaluated to a defined, but
      empty value.

    * Fixed an obscure bug in Template::Stash which occurred when calling
      a scalar method on a value which contained a valid and visible object
      package name.  e.g. [% name = 'Foo::Bar'; name.baz() %] called
      Foo::Bar->baz().

    * Fixed a bug in the Template::Stash 'replace' virtual method which
      returned the original string when the replace string was specified
      empty.   [% var = 'foo99'; var.replace('foo', '') %] now correctly
      returns '99' instead of the original string 'foo99'.  Thanks to
      Tryggve Johannesson and Jeremy Wadsack for reporting the problem.

    * Added magical handling of the 'import' variable to stash clone() and
      update methods.  This implements the V1 functionality whereby you can
      write [% INCLUDE foo import=myhash %].  Note that 'import' is lower case,
      (V1 was upper case IMPORT) as in V2 it is in keeping with the virtual
      hash method (e.g. same as myhash.import(another.hash)).  Thanks to
      Brian Cooper for raising the issue.

    * Yet another change to Template::Stash.  Objects which are blessed
      arrays will now honour virtual array methods if the object doesn't
      otherwise implement a particular method.  For example, you can now
      write [% USE Datafile(...) %] and then [% Datafile.size %].  The
      '.size' now works as virtual method on the blessed ARRAY which
      consitutes the Datafile object.  Thanks to Keith Murphy for
      identifying the problem.

    * Fixed another obscure bug, this time in Template::Parser which wasn't
      chomping the final newline in the input string.  Thanks to Paul
      Makepeace for reporting the problem.

    * Finally identified the cause of an error occasionally being reported
      by Template::Service when is thrown a non-reference exception.  It
      appears to be a problem interacting with CGI::Carp.  For now, it's
      fixed and tolerated in Template::Service (but could possibly do with
      a better long term solution?).  Thanks to Jo Walsh, Trond Michelson,
      and I'm sure several others who reported this and helped to track
      the problem down (and also fixing the confess() bug I introduced
      when I added the tracer code.  D'Oh!)

    * Removed some old "delegate-to-another-object" code from Template::Plugin,
      including a nasty AUTOLOAD method which prevented derived objects from
      acting as transparent hashes.  If delegative functionality is required
      then it should be implemented as Template::Plugin::Delegate (and may
      well be in the fullness of time).

    * Fixed a whole bunch of typos and spellos thanks to patches from Leon,
      Paul Sharpe and Robert McArthur.

    #------------------------------------------------------------------------
    # Version 2.00  1st December 2000
    #------------------------------------------------------------------------

    * Added the repeat(n), search(pattern) and replace(search, replace)
      virtual methods for scalars, and fixed a warning in the split()
      method raised when an attempt was made to split an undefined value.

    * Changed the THROW directive to accept multiple parameters which
      become named items of the 'error.info' item, thanks to a suggestion
      from Piers Cawley.  Positional arguments can be addressed as
      [% error.info.n %] or as a list as [% error.info.args %].  Named
      parameters can be accessed as [% error.info.name %].
      e.g.
        [% TRY %]
        [% THROW foo 'one' 2 three=3.14 %],
        [% CATCH %]
           [% error.type %]        # foo
           [% error.info.0 %]      # one
           [% error.info.1 %]      # 2
           [% error.info.three %]  # 3.14
        [% END %]

    * Moved the definition of Template::TieString from Template::Directive
      into Template::Config (for now) to ensure that its definition is
      visible even if the Template::Parser, and through it, the
      Template::Directive module, haven't been loaded.  This fixes the
      bug causing the error "Can't locate object method "TIEHANDLE"
      via package Template::String..." raised when using EVAL_PERL with
      compiled templates only.  In this case, the parser wasn't getting
      loaded (because it had no templates to parse, them all being pre-
      compiled) and the Template::TieString defintion wasn't visible to
      the EVAL_PERL blocks that require it.  Added a test to t/compile3.t.
      Thanks to Igor Vylusko for reporting the problem.

    * Changed the Template::Directive Perl generator for EVAL_PERL blocks
      to generate code to first test the EVAL_PERL option in the runtime
      context and throw a 'perl error - EVAL_PERL not set' exception if
      unset.  Thus the behaviour for EVAL_PERL when using compiled templates
      is now: if the EVAL_PERL option isn't set in the _compiling_ context,
      then Perl code will be generated which *always* throws an exception
      'perl error - EVAL_PERL not set'.  If EVAL_PERL is set, then it will
      generate code which tests the EVAL_PERL option in the _running_
      context (which may not be the same context that compiled it), and
      throws the same error is the option is not set.  Note that [% RAWPERL %]
      blocks are added verbatim to the generated code if the EVAL_PERL
      option is set in the compiling context and no runtime check for
      EVAL_PERL is made.  Similarly, [% PERL %] blocks could contain a
      Perl BEGIN block, e.g. "BEGIN { # subterfuge code here }" which
      will always get executed at runtime, regardless of any runtime
      EVAL_PERL option.  Thanks to Randal Schwartz for raising this issue.

    * Fixed an obscure bug in WRAPPER which was causing some variables to
      have apparently strange values when within the block content.  This
      was due to the content being formed into a closure which was called
      from within the WRAPPER template, possibly after some variable values
      had been changed.  e.g.
        [% title = "foo" %]
        [% WRAPPER outer title="bar" %]
           The title is [% title %]
        [% END %]
      Here, the 'outer' template should be called with a 'title' value of
      'bar' but with 'content' set to 'The title is foo'.  Previously,
      the content would have been processed from within the 'outer' template,
      resulting in a 'content' value of 'The title is bar'.  The behaviour is
      now correct.

    * Filter failures are now raised as 'filter' exception types, instead
      of 'undef'.

    * Applied a patch from Simon Matthews to fix some minor bugs in the
      DBI plugin:

      - Added _connect method to Plugin::DBI for backwards compatability with
        code from version 1 of Template that subclassed the plugin

      - Changed the new mothod on the DBI plugin so that it checks to see if
        it is being called by a subclassed object.

      - Fixed the return value in the DBI plugin when connect is called more
        than once in the lifetime of the plugin

    * Removed a dubious looking chomp() from Template::Plugins which may
      have caused abject stringification of any error object throw by a
      failed plugin constructor.  Thanks to Piers Cawley for finding the
      devious culprit.

    * Changed ttree to not offer to create a ~/.ttreerc file if it doesn't
      exist when the user has specified a '-f file' on the command line.
      Thanks to Michael Stevens for raising the issue.

    * Added the match($result, $expect) subroutine to Template::Test.

    * Modified the final test of wrap.t to strip any trailing whitespace from
      the output due to a problem with Text::Wrap under 5.005_02.  Thanks to
      Rob Stone for reporting the problem.

    * Added documentation for DEBUG options and stderr filter.  Thanks to
      Piers Cawley for spotting the omission.

    #------------------------------------------------------------------------
    # Version 2.00-rc2  14th November 2000
    #------------------------------------------------------------------------

    * Added the 'prev' and 'next' methods to Template::Iterator and
      Template::Plugin::DBI::Iterator to return the previous and next
      items from the data set.

    * Added the 'sort' and 'nsort' virtual methods for hash arrays,
      thanks to a patch provided by Leon Brocard.

    * Various fixes to DBI plugin, configuration and test:- modified
      Makefile.PL to prompt for DBI DSN specific to user's DBD; changed
      DBI plugin to accept DBI attributes (e.g. ChopBlanks) as named
      parameters to connect method; fixed t/dbi.t to not munge 'user'
      variable in final test; added 'ChopBlanks' attributes to satisfy
      tests under certain DBD's (e.g.  Pg).  Thanks to Jonas Liljegren and
      Chris Nandor for their efforts in finding, testing and fixing the
      problems.

    * Modified the XML::DOM plugin to work with XML::DOM version 1.27
      which now uses blessed array references instead of hashes as the
      underlying data types.  Changed Makefile.PL and t/dom.t to require
      version 1.27 or later.

    * Changed the Template::Iterator module to *NOT* automatically expand
      the contents of blessed ARRAY objects to construct the iteration data
      set.  The previous behaviour caused problems with modules such as
      XML::DOM where a single object passed to the iterator constructor
      would be expanded into a list of the member data, rather than being
      treated as a single item list containing that one object.  A blessed
      ARRAY reference can now provide the as_list() method which the
      iterator constructor will call to return list data.

    * Fixed a bug in Template::Provider to ensure that template metadata
      (e.g. name, modtime, etc.) is written to compiled template files.
      Thanks to Steven Hetland for reporting the problem.

    * Changed the Template::Directive::template() generator method to
      raise an error if a context reference isn't passed to a template
      subroutine as the first argument.

    * Fixed t/autoformat.t to use locale dependant numerical formatting.
      Note that versions of Perl prior to 5.6.0 still have problems and
      will cause t/autoform.t tests 23 and 25 to fail under locales that
      use a decimal separator other than '.'.  The Makefile.PL will issue
      a warning in such cases.  Thanks to Jonas Liljegren for reporting
      the problem.

    * Applied a patch from Leon Brocard which corrects the behaviour of
      the URL plugin to join parameters with '&amp;' instead of '&'.

    * Fixed a bug in the AUTOLOAD method of the Template::Plugin base
      class which caused warnings about not finding _DELEGATE pseudo-hash
      method under Perl 5.6.0.

    * Various minor documentation fixes, thanks to Henrik Edlund and Leon
      Brocard.

    #------------------------------------------------------------------------
    # Version 2.00-rc1  1st November 2000
    #------------------------------------------------------------------------

    * Added the push(), pop(), unshift() and shift() virtual list methods
      and fixed the parser to allow empty lists to be created (also fixed
      the parser to prevent warnings being raised by empty hashes).
      Updated test scripts and documentation to include examples.  Thanks
      to Stas Beckman for raising the issue.

    * Incorporated the DBI plugin module, written by Simon Matthews.  This
      features a major reorganisation of the code, fixes a few bugs, removes
      some lava flow, and has improved documentation and test script.

    * Updated the Makefile.PL to prompt for DBI test parameters, check for
      external modules (and in particular, versions which may cause problems)
      and various other niceties.  Also updated the README and TODO files.

    * Rewrote the XML::DOM plugin, fixing the memory leakage problems and
      adding the toTemplate() method and friends, as provided by Simon
      Matthews.  Note that it's quite easy to send Perl into a deep
      recursive loop via the childrenToTemplate() and allChildrenToTemplate()
      methods due to a misfeature added by abw.  This will be fixed in a
      future release and may result in behavioural changes to the
      *children* methods,  so don't rely on them too heavily for now.

    * Incorporated the Dumper plugin from Simon Matthews which interfaces to
      the Data::Dumper module.

    * Fixed a bug in the Datafile plugin which was causing the last data field
      to be ignored.  Credit due (yet again!) to Simon Matthews for finding
      the missing chomp().

    * Fixed a bug in Template::Directive which was generating a 'Useless use
      of scalar ref constructor in void context...' for empty BLOCK
      definitions.

    * Added the Wrap and Autoformat plugins which interface to Text::Wrap
      and Text::Autoformat respectively.  Thanks to Robert McArthur for the
      original Autoformat plugin code.

    * Added the XML::XPath plugin, test script and documentation.

    * Fixed a bug in the Template::Service module which was using any
      non-word characters to delimit lists of PRE/POST_PROCESS files.
      A value such as 'config, header.html' would be interpreted as
      [ 'config', 'header', 'html' ].  It now uses the DELIMITER value
      which is ':' by default, e.g. PRE_PROCESS => 'config:header.html'
      is interpreted as [ 'config', 'header.html' ].

    * Fixed a bug in the parser grammar which was failing to correctly
      identify compound variables that contained two or more consecutive
      numbers.  For example, the variable [% pi.3.14 %] was being interpreted
      as 'pi' . '3.14', instead of 'pi' . '3' . '14'.

    * Further modified parser to accept single quoted BLOCK names that would
      otherwise choke on 'illegal' characters.  e.g. [% BLOCK 'foo bar' %]

    * Changed the Template::Context::template() method to always throw an
      exception when a template can't be found instead of simply setting
      an internal error string.  Modified other Template::Context and
      Template::Service methods to expect this behaviour and act
      accordingly.  The visible impact of this is that the Template
      error() method will now always return an exception object.
      Previously there were certain cases where a plain error string would
      have been returned.

    * Change the ROOT_OPS, SCALAR_OPS, HASH_OPS and LIST_OPS virtual
      method tables in Template::Stash to incorporate any existing defined
      values.  Previously, you had to 'use Template::Stash' before
      defining any new virtual methods to prevent them being overwritten
      when Template::Stash was subsequently loaded.  Thanks to Chris
      Nandor for identifying the problem and suggesting a fix.

    * Changed BREAK directive to LAST to keep it in line with Perl (don't
      know why I originally chose 'BREAK' - must have had my C head on at
      the time).  BREAK is still supported as an alias for LAST.

    * Renamed the Template::Iterator number() method to count(), although
      number() is still supported for backwards compatability.  The DBI
      plugin used count() instead of number() (an oversight, I think) but I
      decided that count() was the better name (shorter and more obvious).
      Also changed internal Template::Iterator counter variables to UPPER
      CASE to allow AUTOLOAD to be more easily reused by derived iterators
      such as the one for the DBI plugin.

    * The Template::Plugin module is now derived from Template::Base.  The
      only significant ramification of this is that plugins should now
      call the error() method on failure in preference to fail().  The
      fail() method is still supported and delegates on to error(), but it
      raises a deprecation warning.

    * Fixed a bug in the Table plugin which caused an "undefined variable..."
      warning to be emitted when an empty list was provided.

    * Renamed 'evalperl' filter to 'perl', something that previously
      couldn't be done (before ANYCASE) due to 'perl' clashing with 'PERL'
      reserved word.  'evalperl' is still provided for backwards
      compatability.  Also added 'evaltt' as an alias for the 'eval'
      filter and 'file' as an alias for 'redirect' (which I claimed to
      have done back in beta 3 but obviously hadn't).

    * Fixed a bug in the perl/evalperl filter which was causing a stash
      reference to be bound in a closure that could later become
      invalidated.  This could lead to variables not getting/setting their
      correct values in subsequent calls to the same filter.

    * Documented the problem identified by Chris Winters where an IF
      used as a side-effect to an implied SET directive doesn't behave as
      expected.  A directive of the form  [% foo = 'bar' IF condition %]
      should be written explicitly as [% SET foo = 'bar' IF condition %]

    * Documented the 32k size limit (or typically less) for templates when
      the INTERPOLATE option is set.

    #------------------------------------------------------------------------
    # Version 2.00 beta 5  14th September 2000
    #------------------------------------------------------------------------

    * Added define_filter($name, \&filter, $is_dynamic) method to
      Template::Context to allow additional filters to be defined at any
      time.  Arguments are as per the FILTERS configuration option.
      These filters persist for the lifetime of the processor.

    * Changed the Template::Context filter() method to accept a code
      reference as the filter name and use it as the filter sub.  This
      allows filters to be bound to template variables which are then
      used as:

        [% FILTER $myfilter %]

      There is one catch, however.  TT will automatically call a subroutine
      bound to a variable when evaluated.  Thus you must wrap your filter
      sub in another sub: $stash->set('foo', sub { \&myfilter }); or bless
      it into some class (any class) to fool TT into thinking it's not a
      subroutine ref: $stash->set('bar', bless \&myfilter, 'any_old_name');

    * Updated documentation for FILTER directive and FILTERS option to
      reflect the above changes.

    * Fixed Template::Document to run cleanly with taint checking enabled.
      Unfortunately, this has been achieved by blindly untainting the
      generated template Perl code before calling eval().  Given that
      we're reading template source from external files, I don't think
      there's any way to do reliable taint check anyway.  But thankfully
      we can trust the parser to generate "safe" code unless EVAL_PERL is
      enabled in which case all bets are off anyway.

    * Updated XML::DOM plugin to include changes made by Thierry-Michel
      Barral to accept configuration options for XML::Parser.

    * Fixed a bug in the Table plugin which caused the first item to be
      repeated n times when n items was less than a specified number of
      columns.  Thanks to Andrew Williams for finding and fixing this
      bug.

    * The Template::Tutorial document really is included in the
      distribution this time.  Honest.

    #------------------------------------------------------------------------
    # Version 2.00 beta 4  12th September 2000
    #------------------------------------------------------------------------

    * Added the PROCESS config option which allows a template or templates
      to be specified which is/are processed instead of the template
      passed as an argument to the Template process() method.  The
      original template is available as the 'template' variable and can be
      processed by calling INCLUDE or PROCESS as [% INCLUDE $template %].

    * Changed what was the CASE option to now be enabled by default, and
      then changed the name of the option to ANYCASE to make it more
      obvious as to what it did.  You must now specify directive keywords
      (INCLUDE, FOREACH, IF, etc) in UPPER CASE only, or enable the
      ANYCASE option to revert to the previous behaviour of recognising
      keywords in any case.  With the increase in reserved words in
      version 2, there is more chance of collision with variable names.
      It's a real pain not being able to have a variable called 'next', an
      exception called 'perl', etc., because there's a reserved word of
      the same name.  Thus, keywords are now UPPER CASE only by default,
      neatly side-stepping the problem.

    * Changed the PERL directive so that output is generated by calling
      print() instead of using the final value in the block.  Implemented
      by tying STDOUT to an output buffer based on a patch sent in by
      Chuck Adams.

        new:                      old:
          [% PERL %]                [% PERL %]
             print "foo\n";            my $output = "foo\n";
             ...                       ...
             print "bar\n";            $output .= "bar\n";
          [% END %]			   $output;
                                    [% END %]

    * The IMPORT directive and magical IMPORT variable have been replaced
      with a general purpose virtual hash method, import().

        [% hash1.import(hash2) %]   # was "hash1.IMPORT = hash2"
        [% import(hash1) %]	        # was "IMPORT hash1" or "IMPORT = hash1"

    * Modified the Template::Filters provider to examine the FILTERS
      package hash reference (changed name from STD_FILTERS) each time a
      filter is requested rather than copying them at construction time.
      This allows new filters to be added on-the-fly.  See t/filter.t for
      examples and Template::Filters for more info.

    * Added the 'nsort' list method which sorts items using a numerical
      value sort rather than an alpha sort.

        [% data = [ 1, 5, 10, 11 ] %]
        [% data.sort.join(', ')  %]     # 1, 10, 11, 5
        [% data.nsort.join(', ') %]     # 1, 5, 10, 11

    * Added 'div' operator to provider integer division (e.g. 'a div b' =>
      'int(a / b)' and 'mod' which is identical to '%' but added for backwards
      compatibility with V1.

    * Changed the (undocumented) FORNEXT directive to NEXT and documented it.

    * Fixed a bug in the persistent caching mechanism in Template::Provider
      which was failing to write compiled template files for source templates
      specifed in the form [% INCLUDE foo/bar %].  Intermediate directories
      (like 'foo' in this example) weren't being created and the disk write
      was failing.  Thanks to Simon Matthews for identifying this problem.

    * Fixed an obscure bug in the Template::Stash which was ignoring the
      last element in a compound variable when followed by an empty
      argument list.  e.g. [% cgi.param() %] would be treated as [% cgi %].
      Also fixed the DEBUG option so that undefined variables cause 'undef'
      exceptions to be raised.  Thanks to Jonas Liljegren for reporting the
      problems.

    * Added the reference operator, '\' which allows a "reference" to
      another variable to be taken.  The implementation creates a closure
      around the referenced variable which, when called, will return the
      actual variable value.  It is really a form of lazy evaluation, rather
      than genuine reference taking, but it looks and smells almost the same.
      Primarily, it is useful for allowing sub-routine references to be
      passed to another sub-routine.  This is currently undocumented
      because I'm not sure about the validity of adding it, but see t/refs.t
      for examples for now.

    * Changed parser to automatically unescape any escaped characters in
      double quoted strings except for \n and \$.  This permits strings to
      be constructed that include tag characters.  e.g.

        [% directive = "[\% INSERT thing %\]" %]

    * Fixed a bug in the use of the 'component' variable when the current
      component is a sub-routine rather than a Template::Document.

    * Added the '--define var=val' option to tpage to allow template
      variables to be defined from the command line.  Added support to
      ttree for various new Template configuration options.

    * Added $Template::Test::PRESERVE package variable which can be set to
      prevent newlines in test output from being automatically mangled to
      literal '\n'.

    * Completed and corrected all knows bugs in the documentation which
      now weighs in at around 100 pages for the Template.pm module alone.
      The POD documentation should now be installed by default.  The
      Template::Tutorial document is once again included in the
      distribution.

    #------------------------------------------------------------------------
    # Version 2.00 beta 3  10th August 2000
    #------------------------------------------------------------------------

    * Added the WRAPPER directive to include another template, passing the
      enclosing block as the 'content' variable.  e.g.

      somefile:                    mytable:
        [% WRAPPER mytable %]        <table>
           blah blah blah            [% content %]
        [% END %]                    </table>

      This is equivalent to:

        [% content = BLOCK %]
           blah blah blah
        [% END %]
        [% INCLUDE mytable %]

    * Added the [% INSERT file %] directive to insert the contents of a disk
      file without processing any of the content.  Looks for the file in the
      INCLUDE_PATH and honours the ABSOLUTE and RELATIVE flags.  Added the
      insert($file) method to Template::Context which calls the new
      load($file) method in Template::Provider which loads the file text
      without compiling it.

    * Added the DEFAULT configuration option which allows you to specify a
      default template which should be used whenever a named template
      cannot be found.  This is ignored for templates specified with absolute
      or relative filenames, or as references to an input filehandle or text.

    * Added a FORNEXT directive to step on to the next iteration of a
      FOREACH loop, as suggested/requested by Jo Ellen Wisnosky.  I chose
      FORNEXT rather than simply NEXT because 'next' is a very common
      variable name but I'm open to better suggestions.  Perhaps CASE
      should be set by default to prevent variable conflict?  This might
      change.

    * Reorganised the Template::Filters modules and changed the calling
      convention for requesting filters via the fetch() method.  This now
      expects a reference to the calling Template::Context object as the
      third parameter (after filter name and reference to a list of arguments).
      Static filter sub-routines are returned as before and the context has
      no effect.  Dynamic filter factories (denoted by a $is_dynamic flag
      in the FILTER_FACTORY table) are called to create a filter sub-routine
      (closure) for each request.  The context is now passed as the first
      parameter, followed by the expansion of any arguments.  Filter
      factories should return a sub-routine or (undef, $error) on error.

    * Added several new filters:
      - 'stderr' prints the output to STDERR (i.e. for generating output
        in the Apache logfile, for example).  e.g. [% message | stderr %]

      - 'file' is the equivalent of the version 1 redirect() filter which
        writes the output to a new file, relative to OUTPUT_PATH.  Throws
        a 'file' exception if OUTPUT_PATH is not set.  There should perhaps
        be some other way to disable this without relying on OUTPUT_PATH.

      - 'eval' evaluates the input as a template and processes it.  Proposed
        by Simon Matthews for times when you might be returning templates
        fragments from a database, for example.  e.g. [% dirtext | eval %]

      - 'evalperl' evaluate the input as Perl code, as suggested by Jonas
        Liligren. Requires the EVAL_PERL option to be set and will throw a
        'perl' error if not (see later item).  e.g. [% perlcode | evalperl %]

    * Fixed a bug in Template::Provider which was mangling the metadata items
      for the template name and modification time.  The [% template.name %]
      and [% template.modtime %] variables now work as expected.

    * Added 'component' variable, similar to 'template', but which references
      the current template component file or block, rather than the top-level
      template.  Of course, these may be one and the same if you're not nesting
      any templates.

    * Template::Provider now reports errors raised when re-compiling
      modified templates rather than ignoring them, thanks to a patch from
      Perrin Harkins.

    * Fixed Template::Context to recognise the RECURSION option once more,
      thanks to a patch from Rafael Kitover.

    * Overloaded "" stringification of Template::Exception to call as_string(),
      again thanks to Rafael.  In a catch block you can now simply say
      [% error %] as well as the more explicit  [% error.type %] and/or
      [% error.info %].

    * Changed Template module (via Template::Service) to return the
      exception raised rather than a pre-stringified form.  This allows
      you to test the type() and/or info() if you want, or just print it
      and rely on the automatic stringification mentioned above to format
      it as expected.  Note that the top-level process($file) method
      returns a string rather than an exception if $file can't be found.
      This is a bug, or a possible "gotcha" at the very least, and should
      get fixed some time soon.  For now, test that the error is a
      reference before attempting to call info() or type().

    * Fixed a bug preventing literal newlines from being used in strings.
      Thanks to Simon Matthews for bringing it to my attention by calling
      my hotel room at the Perl Conference and saying "Hello?  Is that the
      Template Toolkit Helpdesk?  I have a bug to report..."  :-)
      (I fixed it on his laptop a few minutes later - good service, eh?)

    * Changed Template::Parser to not compile PERL or RAWPERL blocks if
      EVAL_PERL is not set.  Previously they were compiled but switched out
      at runtime.  This was erroneous as rogue BEGIN { } blocks could still
      be executed, as noted by Randal Schwartz.  Any PERL or RAWPERL blocks
      encountered when EVAL_PERL is disabled will now cause a 'perl' exception
      to be thrown.

    * Added a define_block($name, $block) option to Template::Context to
      add a definition to the local BLOCKS cache.  $block can be a reference
      to a template sub-routine or Template::Document object or template
      text which is first compiled.

    * Any other errors thrown in a PERL blocks (assuming EVAL_PERL set)
      are now left unchanged.  Previously, these were converted to 'perl'
      exceptions which prevented exceptions of other kinds being throw
      from within Perl code.

    * Applied a patch from Chris Dean to fix a bug in the list 'sort'
      method which was converting a single element list into a hash.  The
      sort now does nothing unless there's > 1 elements in the list.

    * Changed Template::Stash set() method to append the assigned value to
      the end of any arguments specified, rather than prepending it to the
      front.  e.g. The foo() method called by [% myobj.foo(x, y) = z %] now
      receives arguments as foo(x, y, z) instead of foo(z, x, y).

    * Changed Template::Base::error() to accept a reference (e.g. exception)
      as the first parameter.  In this case, no attempt is made to
      concatenate (and thereby stringify) the arguments.

    * Added a direct stash() accessor method to Template::Context rather
      than relying on the slower AUTOLOAD method.

    * Added an iterator() method to Template::Config to require
      Template::Iterator and instantiate an iterator, and changed
      generated code for FOREACH to call this factory method.  This fixes
      a bug with pre-compiled (i.e persistent) templates which were
      failing if Template::Iterator wasn't already loaded.  Thanks to Doug
      Steinwand, Rafael Kitover and Jonas Lilegren who all identified the
      problem and hounded me until I fixed it.  :-)

    * Fixed a problem with persistent templates not being reloaded due to
      the %INC hash.  This caused 1 to be returned from require() instead
      of the compiled template.

    * Added ABSOLUTE and RELATIVE options to tpage by default.

    * Applied various documentation and test patches from Leon Brocard.
      Fixed docs to quote dotted exception types to prevent string
      concatenation, as noted by Randal Schwartz.  Generally added a
      whole lot more documentation.

    #------------------------------------------------------------------------
    # Version 2.00 beta 2   14th July 2000
    #------------------------------------------------------------------------

    * Added COMPILE_DIR option.  This allows you to specify a separate
      directory in which compiled templates should be written.  The COMPILE_DIR
      is used as a root directory and each of the INCLUDE_PATH elements is
      created below that point.  e.g. the following options

        COMPILE_DIR  => '/tmp/ttcache',
        INCLUDE_PATH => '/user/foo/bar:/usr/share/templates',

      would create the following cache directories:

        /tmp/ttcache/user/foo/bar
        /tmp/ttcache/usr/share/templates

      Templates originating from source files in the INCLUDE_PATH are thus
      written in their compiled form (i.e. Perl) to the relevant COMPILE_DIR
      directory.  The COMPILE_EXT option may also be used in conjunction with
      COMPILE_DIR to append a filename extension to all compiled files.

    * Fixed memory leaks caused by the huge circular reference that is the
      Template::Provider's linked list of cache slots.  Added a DESTROY method
      which walks the list and explicitly breaks the chains (i.e. the NEXT/PREV
      links), thus allowing the compiled Template::Document objects to be
      correctly destroyed and their memory repooled.  Thanks to Perrin Harkins
      for spotting the problem.

    * Added a work-around in Template::Stash _dotop() to the problem of the
      CGI module denying membership of the UNIVERSAL class on subsequent calls
      to UNIVERSAL::isa($cgi, 'UNIVERSAL').  It works correctly the first time,
      but returns false for all subsequent calls.  Changed this generic
      "is-an-object" test to UNIVERSAL::can($cgi, 'can') on the suggestion
      of Drew Taylor who identified the problem.

    * Added t/macro.t to test MACRO directive, t/compile4.t and t/compile5.t
      to test the COMPILE_DIR option.

    * More complete documentation, but not yet fully complete.

    #------------------------------------------------------------------------
    # Version 2.00 beta 1   10th July 2000
    #------------------------------------------------------------------------

    * Template::Context include()/process() now works with raw CODE refs.

    * Template.pm now prefixes OUTPUT with the OUTPUT_PATH when OUTPUT
      is a file name.

    * Cleaned up Template::Iterator.  Now derived from Template::Base.
      Removed ACTION and ORDER now that they are supported as list pseudo
      methods in the Stash LIST_OPS.

    * Fixed bug in Provider preventing updated files from being automatically
      reloaded.  Thanks to Perrin Harkins who provided the patch.

    * Fixed bug in Template::Plugin::Datafile which was preventing a comment
      from being placed on the first line of the file.

    * Fixed bug in parse grammer preventing commas in a META list

    * Added cache persistence by writing real Perl to file (rather than
      the previous Data::Dumper dump of the opcode tree).  Had to
      re-organise a bunch of code around the parser/provider/document.
      Activated by COMPILE_EXT configuration item.

    * Added a work-around in Template::Stash to the problem of CGI disclaiming
      membership of the UNIVERSAL class after the first method call.

    * Added AUTO_RESET option which is enabled by default.  Disable this
      (AUTO_RESET => 0) for block persistence across service invocations.

    * Fixed \@ quoting (and others) in Directive thanks to Perrin Harkins
      who reported the bug and Chuck Adams who provided a patch.

    * Added Date plugin and test, as provided by Thierry-Michel Barral.

    * Integrated changes to Template::Test from version 1.07 and beyond.  Now
      supports -- process -- option in expect, mainly for use of t/date.t et al.

    * Integrated new upper and lower filters from 1.08, and '|' alias for FILTER
      from 1.07.

    * Added new directive.t test to test chomping and comments.

    * BLOCKS can now be defined as template text which gets automatically
      compiled into a Template::Document object.

    * Integrated XML plugins and tests from version 1.07

    * Fixed TRIM option to work with all BLOCKs and templates.  Moved TRIMing
      operation into context process() and include() methods.  Also changed
      service to call $context->process($template) rather than call the sub/
      doc itself, thus ensuring that the output can get TRIMmed.

    * Updated Template::Plugin.pm

    * Added '--define' option to ttree.

    * Integrated various plugins and filters from v1.07

    * Moved Template::Utils::output into Template.pm?) and got rid of
      Template::Utils altogether.

    * Fixed bug in Context filter() provider method which wasn't caching
      filters with args.

    * [% CASE DEFAULT %] is now an alias for [% CASE %] (the default case),
      in consistency with [% CATCH DEFAULT %] / [% CATCH %]

    #------------------------------------------------------------------------
    # Version 2.00 alpha 1
    #------------------------------------------------------------------------

    * first public alpha release of Version 2.00

    #========================================================================
    #                           VERSION 2.00
    #------------------------------------------------------------------------
    # The following list outlines the major differences between version 1.*
    # and version 2.00 of the Template Toolkit.
    #========================================================================

    New Language Features
    ---------------------

    * New SWITCH / CASE statement.  SWITCH takes an expression, CASE takes
      a value or list of values to match.  CASE may also be left blank or
      written as [% CASE default %] to specify a default match.  Only one
      CASE matches, there is no drop-through between CASE statements.

        [% SWITCH myvar %]
        [% CASE value1 %]
           ...
        [% CASE [ value2 value3 ] %]   # multiple values to match
           ...
        [% CASE myhash.keys %]         # ditto
           ...
        [% CASE %]                     # default, or [% CASE default %]
           ...
        [% END %]

    * New TRY / CATCH / FINAL construct for fully functional, nested
      exception handling.  The block following the TRY is executed and
      output if no exceptions are throw.  Otherwise, the relevant CATCH
      block is executed.  CATCH types are hierarchical (e.g 'foo' catches
      'foo.bar') or the CATCH type may be left blank or specified as [%
      CATCH default %] to provide a default handler.  The contents of a
      FINAL block, if specified, will be processed last of all, regardless
      of the result (except an uncaught exception which is throw upwards
      to any enclosing TRY block).

        [% TRY %]
           ...blah...blah...
           [% CALL somecode %]	  # may throw an exception
           ...etc...
           [% INCLUDE someblock %]    # may have a [% THROW ... %] directive
           ...and so on...
        [% CATCH file %]		  # catch system-generated 'file' exception
           ...
        [% CATCH DBI %]		  # catch 'DBI' or 'DBI.*'
           ...
        [% CATCH %]	                  # catch anything else
           ...
        [% FINAL %]		          # optional
           All done!
        [% END %]

    * New CLEAR directive to clear the current output buffer.  This is typically
      used in a CATCH block to clear the output of a failed TRY block.  Any output
      generated in a TRY block up to the point that an exception was thrown will
      be output by default.  The [% CLEAR %] directive in a catch block clears
      this output from the TRY block.

        [% TRY %]
           blah blah blah, this is the current output block
           [% THROW some.error 'Danger Will Robinson!' %]
           not reached...
        [% CATCH %]
           [% # at this point, the output block contains the 'blah blah...' line
              # up to the point where the THROW occured, but we don't want it
              CLEAR
           %]
           Here we can add some more text if we want...
        [% END %]

      In general, the CLEAR directive clears the current output from the
      template or enclosing block.

    * New META directive allowing you to define metadata items for your
      templates.  These are attached to the compiled template and wrapped
      up as a Template::Document object.  The 'template' variable is a
      reference to the current parent document and metadata items may be
      accessed directly.  Of particular note is the fact that the
      'template' variable is correctly defined for all PRE_PROCESS and
      POST_PROCESS headers.  Thus, your headers and footers can access
      items from the main template (e.g. title, author, section, keywords,
      flags, etc) and display them or act accordingly.

      mytemplate:
        [% META
           title     = 'This is a Test'
           author    = 'Andy Wardley'
           copyright = "2000, Andy Wardley"
        %]

        <h1>[% template.title %]</h1>
        blah blah

      header:   (a PRE_PROCESS template)
        <html>
        <head><title>[% template.title %]</title></head>
        <body>

      footer:  (a POST_PROCESS template)
        <hr>
        &copy; Copyright [% template.copyright or '2000, MyCompany' %]

    * New RAWPERL ... END block directive allows you to write raw Perl
      code which is integrated intact and unsullied into the destination
      template sub-routine.  The existing PERL ... END directive continues
      to be supported, offering runtime evaluation of a block which may
      contain other template directives, etc, which are first evaluated
      (e.g. PERL...END processes the block and filters the output into
      Perl evaluation at runtime).

    * New INSERT directive which inserts the contents of a file without
      processing it.

    * New WRAPPER directive which processes the following block into the
      'content' variable and then INCLUDEs the named file.

        [% WRAPPER table %]
           blah blah blah
        [% END %]

        [% BLOCK table %]
        <table>
        [% content %]
        </table>
        [% END %]

    * Comments now only extend to the end of the current line.

        [% # this is a comment
           a = 10
           # so is this
           b = 20
        %]

      Placing the '#' character immediately inside the directive will comment
      out the entire directive

        [%# entire directive
            is ignored
        %]

    * The TAGS directive can now be used to switch tag styles by name.
      Several new tag styles are defined (e.g. html, asp, php, mason).

        [% TAGS html %]
        <!-- INCLUDE header -->

    * The output from any directive or block can now be captured and assigned to
      a variable.

        [% htext = INCLUDE header %]
        [% btext = BLOCK %]
           blah blah
           [% x %] [% y %] [% z %]
        [% END %]

        # you can even assign the output of loops, conditions, etc.
        [% numbers = FOREACH n = [2, 3, 5, 7, 11, 13] %]
           blah blah [% n %]
        [% END %]

    * The handling of complex expressions has been improved, permitting
      basic directives to contain logical shortcut operators, etc.  All
      binary operators now have the same precedence rules as Perl.

        [% foo or bar %]             # GET foo, or bar if foo is false (0/undef)
        [% CALL func1 and func2 %]   # func2 only called if func1 returns true
        [% name = user.id or cgi.param('id') %].

    * A new "x ? y : z" operation is provided as a shorthand for
      "if x then y else z"

        [% foo = bar ? baz : qux %]

    * A leading '$' on a variable is now used to indicate pre-interpolation
      of that element.  This simplifies the syntax and makes it consistent
      with double-quoted string interpolation and text block interpolation
      via the INTERPOLATE flag.  If you've been relying on the version 1
      "feature" that ignores the leading '$' then you'll need to change your
      templates to remove the '$' characters (except where you really want
      them) or set the V1DOLLAR flag to 1 to revert to the version 1
      behaviour.  See the 'Gotchas' section below for more details.

        # version 1
        [% hash.${key} %]  [% hash.${complex.key} %]

        # version 2
        [% hash.$key %]    [% hash.${complex.key} %]

    * Various new pseudo-methods have been added for inspecting and manipulating
      data.  The full list now looks something like this:

          [% var.defined %]               # variable is defined
          [% var.length %]                # length of string
          [% var.split(delim, limit) %]   # split string as Perl does

          [% hash.keys %]                 # return list of hash keys
          [% hash.values %]               # ditto hash values
          [% hash.each %]                 # ditto keys and values
          [% hash.import(hash2) %]        # merge hash2 into hash

          [% list.size %]                 # number of items in list
          [% list.max %]                  # last item number (size - 1)
          [% list.first %]                # first item
          [% list.last %]                 # last item
          [% list.push(item) %]	      # add item to end
          [% list.pop %]		      # remove item from end
          [% list.unshift(item) %]	      # add item to front
          [% list.shift %]	              # remove item from front
          [% list.reverse %]              # return reversed order
          [% list.sort(field) %]          # return alpha sorted order
          [% list.nsort(field) %]         # return numerical sorted order
          [% list.join(joint) %]          # return items joined into single string

    Configuration Options
    ---------------------

    * Template blocks may be pre-defined using the new BLOCKS option.  These
      may be specified as template text or as references to sub-routines or
      Template::Document objects.

        my $template = Template->new({
    	BLOCKS => {
    	    header => '<html><head><title>[% title %]</title></head><body>',
    	    footer => '</body></html>',
    	    funky  => sub { blah_blah($blah); return $some_text },
    	}
        });

    * Automatic error handling can be provided with the ERROR option.  This
      allows you to specify a single template or hash array of templates which
      should be used in the case of an uncaught exception being raised in the
      a template.  In other words, if something in one of your templates
      throws a 'dbi' error then you can define an ERROR template to catch
      this.  The original template output is discarded and the ERROR template
      processed in its place.  PRE_PROCESS and POST_PROCESS templates (e.g.
      header and footers) are left intact.  This provides a particularly
      useful high-level error handling abstraction where you simply create
      templates to handle particular exceptions and provide the mapping
      through the ERROR hash.

        my $template = Template->new({
    	ERROR => {
    	    dbi        => 'error/database.html',   # DBI error
    	    'user.pwd' => 'error/badpasswd.html',  # invalid user password
    	    user       => 'user/index.html',	   # general 'user' handler
    	    default    => 'error/error.html',      # default error template
    	}
        });

    * The INCLUDE_PATH is now fully dynamic and can be changed at any time.
      The new Template::Provider which manages the loading of template files
      will correctly adapt to chahges in the INCLUDE_PATH and act accordingly.

    * The LOAD_TEMPLATES option allows you to specify a list of one or more
      Template::Provider object which will take responsibility for loading
      templates.  Each provider can have it's own INCLUDE_PATH, caching
      options (e.g CACHE_SIZE) and so on.  You can sub-class the
      Template::Provider module to allow templates to be loaded from a
      database, for example, and then define your new provider in the
      LOAD_TEMPLATES list.  The providers are queried in order as a "Chain
      of Responsiblity".  Each may return a compiled template, raise an
      error, or decline to serve the template and pass control onto the
      next provider in line.

    * The CACHE_SIZE option defines a maximum number of templates that will
      be cached by the provider.  It is undefined by default, causing all
      templates to be cached.  A value of 0 disables caching altogether while
      a positive integer defines a maximum limit.  The cache (now built into
      Template::Provider) is much smarter and will automatically reload and
      compile modified source templates.

    * The Template::Provider cache can write compiled templates (e.g. Perl code)
      to disk to create a persistent cache.  The COMPILE_EXT may be used to
      specify a filename extension (e.g. '.ttc') which is used to create
      compiled template files.  These compiled template files
      can then be reloaded on subsequent invocations using via Perl's
      require() (which is about as fast as it can get).  The Template::Parser
      and Template::Grammar modules are loaded on demand, so if all templates
      have been pre-compiled then the modules don't get loaded at all.  This
      is a big win, given that Template::Grammar is the biggy.

    * The ABSOLUTE and RELATIVE options are now used to enable the loading of
      template files (via INCLUDE or PROCESS) that are specifies with absolute
      (e.g. /tmp/somefile) or relative (e.g. ../tmp/another) filenames.  Both
      are disabled by default.

    * The LOAD_PLUGINS option is similar to LOAD_TEMPLATES but allows you
      to specify one or more plugin providers.  These take responsibility
      for loading and instantiating plugins.  The Template::Plugins module
      is the default provider and multiplexes requests out to other
      Template::Plugin::* plugin modules.  Loading of plugins has been
      simplified and improved in general The PLUGINS option can be used to
      map plugin names to specific modules and PLUGIN_BASE can map plugins
      into particular namespaces.  The LOAD_PERL option can be used to
      load (almost) any regular Perl module and use it as a plugin.

    * The LOAD_FILTERS option is similar to LOAD_TEMPLATES and LOAD_PLUGINS,
      allowing one or more custom providers to be specified for providing
      filters.  The Template::Filters module is the default provider here.

    * The TOLERANT option can be used to tailor the behaviour of providers
      (e.g. Template::Provider, Template::Plugins, Template::Filters) when
      they encounter an error.  By default, providers are not TOLERANT (0)
      and will report all failures as errors.  When TOLERANT is set to 1,
      they will ignore errors and return STATUS_DECLINED to give the next
      provider a chance to deliver a valid resource.

    * The INTERPOLATE option is now automatically disabled within PERL and
      RAWPERL blocks to prevent Perl $variables from being interpreted as
      template variables.

        # INTERPOLATE = 1
        This $var will get interpolated...
        [% PERL %]
           # but these won't
           my $foo = 'some value';
           my $bar = 'another value';
           # etc...
        [% END %]
        now we're interpolating variables again, like $var

    * Added the TRIM option to automatically removed leading and trailing
      whitespace from the output of templates and BLOCKs.

    * The CASE option has now been obsoleted and replaces by the ANYCASE
      option.  See comments elsewhere in this document ('Gotchas' below and
      notes for 2.00 beta 4) for further details.

    Templates Compiled to Perl Code
    -------------------------------

    Templates are now compiled to Perl code, with credit and respect due
    to Doug Steinwand for providing an implementation around which the
    new parser was built.  This brings a number of important benefits:

    * Speed and Memory Efficiency

      Version 1 used a list of opcodes to represent directives and
      lower-level operations.  These were evaluated by the hideously
      contrived, and darkly sinister Template::Context::_evaluate()
      method.  In version 2, all templates are parsed and rebuilt as Perl
      code.  This is then evaluated and stored as a reference to a Perl
      sub-routine which can then be executed and re-executed significantly
      faster and with far less memory overhead.

    * Persistence.

      Once a template has been compiled to Perl code it can be saved to
      disk as a "compiled template" by defining the COMPILE_EXT option.
      This allows you to specify a filename extension (e.g. '.ttc') which
      is added to the template filename and used to create a new file
      containg the Perl code.  Next time you use the template, even if
      you've shut down your program/server/computer in the mean time, the
      compiled template is there in a file as Perl code and is simply
      require()d and executed.  It all happens significantly faster
      because there's no Template::Parser to run.  In fact, if all your
      templates are "compiled" on disk then the Template::Parser and
      Template::Grammar modules won't even be loaded, further reducing
      startup time and memory consumption (the grammar file, in particular
      is rather large).  The Template::Provider module handles the
      loading, caching and persistence of templates, and will examine file
      timestamps and re-compiled modified templates as required.

    * Flexibility.

      Because "compiled templates" are now nothing more than Perl
      sub-routines, you can use anyone or anything to generate them and
      run them all under the same roof.  Different parser back-ends can
      generate Perl code optimised for speed or functionality, for
      example.  Or different parsers can compile different template
      languages (PHP, ASP, Mason, roll-your-own, etc.) and run them
      alongside regular templates.  Or if you don't trust a parser, you
      can even write your own Perl code and have your templates execute as
      fast as the code you can write.

    Other Enhancements and Internal Features
    ----------------------------------------

    * Templates (i.e. sub-routines) now return their generated output,
      rather than sending it to $context->output().  This speeds things
      up and makes the code simpler, as well as allowing greater
      flexibility in how template sub-routines can work.

    * Exceptions are now raised via Perl's die() and caught by an
      enclosing eval { } block.  Again, this simplifies the code generated
      and improves runtime efficiency.  The [% RETURN %] and [% STOP %]
      directives are now implemented as special case exceptions which are
      caught in the appropriate place and handled accordingly.

    * Local named BLOCK definitions are better behaved and don't permanently
      mask any real files.  BLOCK definitions remain local to the template in
      which they're defined, although they can be accessed from templates
      INCLUDEd or PROCESSed from within.  The PROCESS directive will export
      defined BLOCKs to the caller (as with variables) whereas INCLUDE will
      keep them "private".

    * The Template::Stash object now encapsulates all the magical variable
      resolution code.  Both simple and compound variables can be accessed
      or updated using the get() and set() methods, with all variable binding
      magic happening automatically.

    * The Template::Context object is now greatly simplified.  This acts
      as a general interface to the Template Toolkit functionality, being
      a collection of the various other modules that actually implement
      the functionality (e.g. Template::Stash, Template::Provider,
      Template::Document, Template::Plugins, etc.)

    * The Template::Provider object provides a general facility for
      retrieving templates from disk (or other source), and if necessary
      compiling via a call to a Template::Parser helper object.  Multiple
      Template::Provider objects may be chained together, each with their
      own caching options, and so on.

    * The Template::Parser object now compiles template text into Perl
      code and then evaluates it into a sub-routine reference using Perl's
      eval().  This is then wrapped up into a Template::Document object,
      including any metadata items and/or additional named BLOCKs defined
      in the input template.

    * The Template::Document object is a thin wrapper around a compiled
      template sub-routine.  It provides a process() method for processing
      the template and a blocks() method for returning a reference to the
      hash array of any additional named BLOCKs defined in the original
      template text.  An AUTOLOAD method returns values of metadata items,
      allowing a Template::Document reference to be used as the 'template'
      variable.

    * The Template::Service module provides a high-level service for
      processing templates, allowing PRE_PROCESS and POST_PROCESS templates
      to be specified along with an ERROR handling hash.

    * The Template::Base module defines a common base class for many of
      the toolkit modules.  It implements shared functionality such as a
      constructor, error reporting and handling, etc.  Modules are now
      much easier to sub-class, all using separate new() and _init()
      methods.

    * The Template::Config module provides methods for loading and
      instantiating different Template Toolkit modules.  Using this
      factory-based approach makes it far easier to change the default
      object class for a specific part of the toolkit.  e.g.

          use Template;
          use Template::Config;

          $Template::Config::PARSER = 'MyOrg::Template::MyParser';

          # $tt object will create and use a MyOrg::Template::MyParser
          # object as PARSER
          my $tt = Template->new({ ... })

    * The Template::Test module has been enhanced to make it easier to test
      more advanced TT features.  You can now define multiple TT processors
      and switch between them for different test with the '-- use name --'
      directive.  Also added the '-- process --' directive which can be
      added after '-- expect --' to hav the expected output processed by
      TT before comparison.

    * The Template module remains, as it ever was, a simple front-end to
      the Template Toolkit.  This creates a single Template::Service to
      which it delegates control for processing templates.  Output is
      returned according to the OUTPUT options specified for the module
      and/or any output option passed explicitly to the process() method.

    New Filters
    -----------

    * 'upper' and 'lower' filters perform case folding of text.

    * 'eval' can be used to evaluate Template Toolkit directives at runtime.

    * 'perl' evaluates Perl code if (and only if) the EVAL_PERL flag is set.

    * 'stderr' is a simple filter to STDERR.

    * 'file' is a new alias for the 'redirect' filter.  The OUTPUT_PATH option
      must be set.

    New Plugins
    -----------

    * The DBI plugin is now distributed with the Template Toolkit.

    * The Date plugin formats dates and times via the POSIX strftime() sub.

    * The Iterator plugin provides access to the Template::Iterator module.

    * The Dumper plugin provides an interface to the Data::Dumper module.

    * The Wrap and Autoformat plugins interface to the Text::Wrap and
      Text::Autoformat modules respectively.

    * The XML::DOM and XML::XPath plugins provide interfaces to the relevant
      XML modules.

    Utility Scripts
    ---------------

    * Added the '--define var=val' option to ttree.

    Gotchas
    -------

    Things that have changed between version 1 and 2 that might catch you
    out.

    * Bare CATCH blocks are no longer permitted and must be explicitly
      scoped with a matching TRY.  In most cases, this simply means adding
      a [% TRY %] to the start of any templates that define CATCH blocks,
      and ensuring that the CATCH blocks are moved to the end of the file
      (or relevant place).

           # version 1 - no longer supported
           blah blah blah...some error occurs

           [% CATCH some_kind_of_error %]
              handler template...
           [% END %]

           # version 2
           [% TRY %]
           blah blah blah...some error occurs...

           [% CATCH some_kind_of_error %]
              handler template...
           [% END %]

      Also be aware that this may change the expected output in case of
      errors.  By default, all output in the TRY block up to the point of
      error will be returned, with the relevant catch block, and then and
      further template output appended.  You can use [% CLEAR %] within a
      CATCH block to clear the output from the TRY block, if you prefer.
      TRY blocks can be nested indefinately.

    * The ERROR directive is no longer supported.  It was very ill-defined
      anyway and serves no purpose that can't be acheived by defining
      custom filters, error handlers bound to template variables, or
      whatever.  I haven't implemented any special error or logging
      facilities, other than the general purpose exception handling, but
      welcome any thoughts on what or if anything else is needed.

    * The ERROR option is also different.  It could previously be used
      to specify an error handling sub-routine, but is no longer required
      (see previous point).  The ERROR option in version 2 is used to
      define a map of error types to template names for automatic
      redirection for error handling.

    * The current exception caught in a catch block is now aliased to the
      variable 'error' rather than 'e'.  This is much more logical, IMHO,
      and was only prevented previously by 'error' being a reserved word.
      Note that 'e' is still defined, in addition to 'error'.  This may be
      deprecated at some point in the future.

    * The use of a leading '$' on variables is no longer optional, and
      should only be used to explicitly to indicate interpolatation of a
      variable name.  Most of the time you *don't* want to do this, so
      leave the '$' off.  This represent a slight shift away from the
      (optional) Perlness of the language, but I think it's a necessary
      step to improve the clarity and consistency of the language.

        As previously discussed on the mailing list, in interpolated text
      (i.e. a "double quoted" string or regular template text with
      INTERPOLATE set), both '$foo' or '${foo}' are interpolated as the
      value of the variable 'foo'.  This is good because it is a de-facto
      standard, consistent with Perl, shell, etc.  But inside a directive,
      [% $foo %] and [% ${foo} %] mean different things, the first being
      equivalent to [% foo %] or [% GET foo %] (the leading '$' is
      ignored) but the second actually fetching a variable whose name is
      stored in the variable 'foo'.  In other words, '${foo}' interpolates
      to the value of foo ('bar', say) and then this is used as the
      parameter to GET (which itself is optional).  Thus, in this case, [%
      ${foo} %] is [% GET ${foo} %] is [% GET bar %].

      This makes more sense if you look at the common example of
      accesing an entry from a hash array using the value of an variable
      as the key (e.g. $hash->{ $key }).  In version 1, the leading '$' on
      variables is ignored, meaning that the following are NOT identical.

          # version 1
          [% hash.$key   %]     # ERROR - '$' ignored => [% hash.key %]
          [% hash.${key} %]     # OK - '$key' is interpolated first

      It gets more confusing if you excercise your right to add optional
      leading '$'s in other places (which is one reason why I've always
      suggested against their use).

          # version 1 - same as above
          [% $hash.$key   %]
          [% $hash.${key} %]

      In particular, that last example should demonstrate the
      inconsistency.  Unlike interpolated text, '$...' and '${...}' are
      not treated the same and '$hash' is not interpolate while '${key}'
      is.  The only consistent solution I can see to this is to make both
      '$xxx' and '${xxx}' indicate interpolation in all cases, so that's
      what I've done.  In version 2, the syntax becomes a lot clearer and
      aligns more closely to a markup language than a programming
      language.  I think this is a Good Thing, but let me know what you
      think...

      Here's the Version 2 summary, assuming INTERPOLATE is set.

          # version 2
          my name is $name
          my name is $user.name
          my name is ${user.name}

          [% GET name %]                 [% name %]
          [% GET user.name %]            [% user.name %]
          [% GET people.fred %]          [% people.fred %]
          [% GET people.$name        %]  [% people.$name %]
          [% GET people.${user.name} %]  [% people.${user.name} %]

          [% INCLUDE header
             title = "Home Page for $name"
          %]
          [% INCLUDE header
             title = "Home Page for $user.name"
          %]
          [% INCLUDE header
             title = "Home Page for ${user.name}"
          %]

    * Changed default TAG_STYLE to only recognise [% ... %] and not the MetaText
      compatability %% ... %% style.  Set TAG_STYLE => 'template1' to accept both,
      or 'metatext' for just %% ... %%

    * Changed how error/return values should be returned from user code.
      All errors should be thrown via one of the following:

        die $error_msg;
        die (Template::Exception->new($type, $info));
        $context->throw($msg);
        $context->throw($type, $info);
        $context->throw($exception);

    * USERDIR and USERBLOCK are not supported (they were experimental and
      undocumented, anyway)

    * $Template::Directive::While::MAXITER is now
      $Template::Directive::WHILE_MAX and may change again.

    * into() filter is now obsolete.  You can now simply assign the output of
      another directive or block to a variable.

        [% x = INCLUDE foo %]
        [% y = BLOCK %]
           blah blah blah
        [% END %]

    * The CASE option has been removed and replaced with the ANYCASE option
      which is the logical opposite.  Directive keywords should now be UPPER
      CASE by default and the ANYCASE option can be enabled to revert to
      the previous behaviour of accept keywords in any case.

    * The IMPORT directive and magical variable have been removed and
      replaced by a general purpose virtual hash method, import().
      [% IMPORT myhash %] should now be written [% import(myhash) %]
      and [% myhash.IMPORT = another.hash %] should be written as
      [% myhash.import(another.hash) %]

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