# Show Advanced Typographic Features

This dialog shows the contents of some advanced typography tables (GDEF, GPOS and GSUB for otf fonts, kern, lcar, morx, opbd and prop for Apple fonts) as far as pfaedit understands them. The dialog is hierarchical with the typical boxed +/- signs used for opening and closing sub-levels.

The GSUB and GPOS tables are organized as one might expect. Underneath each table are a list of scripts, underneath each script are a list of languages, underneath each language are a list of features, underneath each feature are a list of glyphs, generally with some description of what happens (in the example a right the 'frac' feature turns 1/4 into ¼). Some features are a little more complex (the 'kern' feature has a list of all characters that kern with the first character under the first character).

The morx and kern tables are also broken up into scripts (Apple doesn't treat scripts at all, but it makes the state machines smaller), but languages are omitted (Apple tables will be based on data for the default language).

Pressing the right mouse button will bring up a popup menu which will allow you to save the contents of the dlg (as utf8 text).