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This page documents the 1.4 (latest stable) release. Documentation for other releases can be found here.
Syntax Coloring of Source Code
Trac supports language-specific syntax highlighting of source code in wiki formatted text and the repository browser.
To do this, Trac uses external libraries with support for a great number of programming languages.
Currently Trac supports syntax coloring using one or more of the following packages:
To activate syntax coloring, simply install either one (or more) of these packages. No additional configuration is required, however to modify the colors, have a look at trac/htdocs/css/code.css.
If you have the package installed but Trac does not detect it and start using it then…uhhh…yah.
When in use, Trac will automatically prioritize SilverCity highlighting over Enscript if possible, (see note below).
If neither package is available, Trac will display the data as plain text.
Note: Enscript supports a greater number of languages, however SilverCity is generally faster since it is a library and isn't executed in an external process.
About SilverCity
SilverCity uses the lexer from Scintilla. Scintilla supports more languages than SilverCity implements. If you want to add a language to SilverCity supported by Scintilla, it's not very difficult. See SilverCityAddLanguage for some information how.
Syntax Coloring Support
| SilverCity | Enscript | |
| Ada | X | |
| Asm | X | |
| * ASP | X | X |
| * C | X | X |
| * C# | X(2) | |
| * C++ | X | X |
| * Java | X | |
| Awk | X | |
| CSS | X | |
| Diff | X | |
| Eiffel | X | |
| Elisp | X | |
| Fortran | X | |
| Haskell | X | |
| HTML | X | X |
| IDL | X | |
| Javascript | X | X |
| m4 | X | |
| Makefile | X | |
| Matlab | X | |
| Objective-C | X | |
| Pascal | X | |
| * Perl | X | X |
| * PHP | X | X |
| PSP | X | |
| Pyrex | X | |
| * Python | X | X |
| * Ruby | X | X (1) |
| Scheme | X | |
| Shell | X | |
| SQL | X | X |
| Troff | X | |
| TCL | X | |
| Tex | X | |
| Verilog | X | |
| VHDL | X | |
| Visual Basic | X | |
| VRML | X | |
| XML | X | |
(*) Supported as inline code blocks in Wiki text using WikiProcessors.
(1) Ruby highlighting is not included in the Enscript distribution. Highlighting rules for Ruby can be obtained from: http://neugierig.org/software/ruby/
(2) C# highlighting is not included in the Enscript distribution. Highlighting rules for C# can be obtained from: http://wiki.hasno.info/index.php/Csharp.st
Extra Software
- GNU Enscript — http://directory.fsf.org/GNU/enscript.html
- GNU Enscript for Windows — http://gnuwin32.sourceforge.net/packages/enscript.htm
- SilverCity — http://silvercity.sf.net/
See also: WikiProcessors, WikiFormatting, TracWiki, TracBrowser
