# HTML Commands

Here is a list of all HTML commands that may be used inside the documentation. Note that all attributes of a HTML tag are ignored (the HREF and NAME attributes for the A tag are the only exception).

- `<A HREF="...">` Starts a HTML hyper-link (HTML only).
- `<A NAME="...">` Starts an named anchor (HTML only).
- `</A>` Ends a link or anchor (HTML only).
- `<B>` Starts a piece of text displayed in a bold font.
- `</B>` Ends a `<B>` section.
- `<BODY>` Does not generate any output.
- `</BODY>` Does not generate any output.
- `<BR>` Forces a line break.
- `<CENTER>` starts a section of centered text.
- `</CENTER>` ends a section of centered text.
- `<CAPTION>` Starts a caption. Use within a table only.
- `</CAPTION>` Ends a caption. Use within a table only.
- `<CODE>` Starts a piece of text displayed in a typewriter font.
- `</CODE>` End a `<CODE>` section.
- `<DD>` Starts an item description.
- `<DFN>` Starts a piece of text displayed in a typewriter font.
- `</DFN>` Ends a `<DFN>` section.
- `<DL>` Starts a description list.
- `</DL>` Ends a description list.
- `<DT>` Starts an item title.
- `</DT>` Ends an item title.
- `<EM>` Starts a piece of text displayed in an italic font.
- `</EM>` Ends a `<EM>` section.
- `<FORM>` Does not generate any output.
- `</FORM>` Does not generate any output.
- `<HR>` Writes a horizontal ruler.
- `<H1>` Starts an unnumbered section.
- `</H1>` Ends an unnumberd section.
- `<H2>` Starts an unnumbered subsection.
- `</H2>` Ends an unnumbered subsection.
- `<H3>` Starts an unnumbered subsubsection.
- `</H3>` Ends an unnumbered subsubsection.
- `<I>` Starts a piece of text displayed in an italic font.
- `<INPUT>` Does not generate any output.
- `</I>` Ends a `<I>` section.
- `<IMG>` This command is written with attributes to the HTML output only.
- `<LI>` Starts a new list item.
- `</LI>` Ends a list item.
- `<META>` Does not generate any output.
- `<MULTICOL>` ignored by doxygen.
- `</MUTLICOL>` ignored by doxygen.
- `<OL>` Starts a numbered item list.
- `</OL>` Ends a numbered item list.
- `<P>` Starts a new paragraph.
- `</P>` Ends a paragraph.
- `<PRE>` Starts a preformatted fragment.
- `</PRE>` Ends a preformatted fragment.
- `<SMALL>` Starts a section of text displayed in a smaller font.
- `</SMALL>` Ends a `<SMALL>` section.
- `<STRONG>` Starts a section of bold text.
- `</STRONG>` Ends a section of bold text.
- `<SUB>` Starts a piece of text displayed in subscript.
- `</SUB>` Ends a `<SUB>` section.
- `<SUP>` Starts a piece of text displayed in superscript.
- `</SUP>` Ends a `</SUP>` section.
- `<TABLE>` starts a table.
- `</TABLE>` ends a table.
- `<TD>` Starts a new table data element.
- `</TD>` Ends a table data element.
- `<TR>` Starts a new table row.
- `</TR>` Ends a table row.
- `<TT>` Starts a piece of text displayed in a typewriter font.
- `</TT>` Ends a `<TT>` section.
- `<KBD>` Starts a piece of text displayed in a typewriter font.
- `</KBD>` Ends a `<KBD>` section.
- `<UL>` Starts an unnumbered item list.
- `</UL>` Ends an unnumbered item list.
- `<VAR>` Starts a piece of text displayed in an italic font.
- `</VAR>` Ends a `</VAR>` section.

The special HTML character entities that are recognized by Doxygen:

- `&copy;` the copyright symbol
- `&quot;` a double quote
- `&?uml;` where ? is one of {A,E,I,O,U,Y,a,e,i,o,u,y}, writes a character with a diaeresis accent (like ä).
- `&?acute;` where ? is one of {A,E,I,O,U,Y,a,e,i,o,u,y}, writes a character with a acute accent (like á).
- `&?grave;` where ? is one of {A,E,I,O,U,a,e,i,o,u,y}, writes a character with a grave accent (like à).
- `&?circ;` where ? is one of {A,E,I,O,U,a,e,i,o,u,y}, writes a character with a circumflex accent (like â).
- `&?tilde;` where ? is one of {A,N,O,a,n,o}, writes a character with a tilde accent (like ã).
- `&szlig;` write a sharp s (i.e. ß) to the output.
- `&?cedil;` where ? is one of {c,C}, writes a c-cedille (like ç).
- `&?ring;` where ? is one of {a,A}, writes an `a` with a ring (like å).
- `&nbsp;` a non breakable space.

Finally, to put invisible comments inside comment blocks, HTML style comments can be used:

    /*! <!-- This is a comment with a comment block --> Visible text */