Text_Wiki is an object-oriented parsing engine for wiki markup. The change notes for this release are:

* for deflist, must now use ": " (colon-space) at beginning and " : " (space-colon-space) to separate term from def; this it becuase URLs as terms were breaking the rule

* fixed bug 2095 so that CSS is now honored in deflist rule (thanks for the patch, glamm at a-s-i dot com)

Download at http://pear.php.net/Text_Wiki/.

Are you stuck with a legacy PHP application? You should buy my book because it gives you a step-by-step guide to improving you codebase, all while keeping it running the whole time.