+\begin_layout Subsection*
+LFUN_VC_COMPARE
+\end_layout
+\begin_layout Description
+Action Compares two revisions of the same file under version control.
+\end_layout
+\begin_layout Description
+Notion This is currently implemented only for SVN and RCS.
+\end_layout
+\begin_layout Description
+Syntax vc-compare <REV1> [<REV2>]
+\end_layout
+\begin_layout Description
+Params Revision number either points directly to commit in history or if negative number -x it points to last commit - x.
+\begin_inset Newline newline
+\end_inset
+
+ In RCS we subtract only in the last number of revision specification. Special case "0" is reserved for the last committed revision.
+\begin_inset Newline newline
+\end_inset
+
+<REV1>: Older file.
+\begin_inset Newline newline
+\end_inset
+
+ <REV2>: Newer file. Used only if REV1 > 0.
+\end_layout
+\begin_layout Description
+Sample Compare current document against last commit
+\begin_inset Newline newline
+\end_inset
+
+vc-compare 0Compare current document against current revision - 5 commits
+\begin_inset Newline newline
+\end_inset
+
+vc-compare -5Compare revisions 120 and 155
+\begin_inset Newline newline
+\end_inset
+
+vc-compare 120 155
+\end_layout
+\begin_layout Description
+Origin sanda, 12 Feb 2010
+\end_layout
+