This plugin enables extended camelCase words to have an automatic wiki link. If the page with the same name exists, it automatically links to it. If not, it appears as a missing wiki page.
If you have any issues, create a new ticket.
Download the zipped source from here.
General instructions on installing Trac plugins can be found on the TracPlugins page.
FireBug will be a wiki page link. AAA also will be linked to a wiki page named AAA. Any words that has at least two capital letters with the first one followed by zero or more lowercase letter and digits will be linked with a wiki page.