Syntax highlighter

 Code2html is a perl script which converts a program source code to
 syntax highlighted HTML, or any other target for which rules are
 defined.
 .
 It may be used as a simple console program, converting a single
 source code file to a single output file, it can patch HTML files
 including special command sequences to insert syntax highlighted
 snippets of code, or it can be used as a CGI script.