TWiki::UI::RDiff diff command handler.
This method is designed to be
invoked via the TWiki::UI::run method.
Renders the differences between version of a TwikiTopic? 
| topic | topic that we are showing the differences of | |
| rev1 | the higher revision | |
| rev2 | the lower revision | |
| render | the rendering style {sequential, sidebyside, raw, debug} |  (preferences) DIFFRENDERSTYLE, sequential  | 
		
| type | {history, diff, last} history diff, version to version, last version to previous |  history  | 
		
| context | number of lines of context | |
| skin | the skin(s) to use to display the diff |