From e1a98bc7d3f78a0a1c54a3e167dbff491d0146b2 Mon Sep 17 00:00:00 2001
From: Pavel Sanda <sanda@lyx.org>
Date: Tue, 7 Sep 2010 11:29:07 +0000
Subject: [PATCH] RCS has different revision numbering

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35309 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiCompareHistory.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt4/GuiCompareHistory.cpp b/src/frontends/qt4/GuiCompareHistory.cpp
index d33103244a..99bd404c08 100644
--- a/src/frontends/qt4/GuiCompareHistory.cpp
+++ b/src/frontends/qt4/GuiCompareHistory.cpp
@@ -9,6 +9,7 @@
  */
 
 #include <config.h>
+#include <support/debug.h>
 
 #include "GuiCompareHistory.h"
 
@@ -48,8 +49,11 @@ bool GuiCompareHistory::initialiseParams(std::string const &)
 {
 	string revstring = lyxview().currentBufferView()->buffer().lyxvc().revisionInfo(LyXVC::File);
 	int rev=0;
-	if (prefixIs(revstring, "r"))
-		revstring = ltrim(revstring,"r");
+
+	string tmp;
+	// RCS case
+	if (!isStrInt(revstring))
+		revstring = rsplit(revstring, tmp , '.' );
 	if (isStrInt(revstring))
 		rev = convert<int>(revstring);
 
-- 
2.39.5