Package =TWiki::Store::RcsWrap 
This package does not publish any methods. It implements the
virtual methods of the 
TWiki::Store::RcsFile superclass.
Wrapper around the RCS commands required by TWiki.
There is one of these object for each file stored under RCS.
Break circular references.
 StaticMethod *parseRevisionDiff ($text) -> \@diffArray 
| Description: | parse the text into an array of diff cells | 
| #Description: | unlike Algorithm::Diff I concatinate lines of the same diffType that are sqential (this might be something that should be left up to the renderer) | 
| Parameter: $text | currently unified or rcsdiff format | 
| Return: \@diffArray | reference to an array of [ diffType, $right, $left ] | 
| TODO: | move into RcsFile and add indirection in Store |