Trac is quite a powerful wiki with a lot of features but eventually I always use the same syntaxes and macros. I often mix them up with the Fitnesse syntax, or the Dotclear syntax. So here is my cheat cheet !

Of course, there's more on the official website about Wiki Formatting : and the Wiki Macros : The macro documentation is also available in your trac, with [[MacroList]].

For every page, I put a summary with PageOutline and an access to the menu with TracNav :

 = Fitnesse =
 Page officielle : [ FITNESSE]
 Cheat cheet :