on windows use gvim to see slik svn diff

edit %appdata%Subversionconfig, add:

diff-cmd = c:\bin\svndiff.bat

this is c:\bin\svndiff.bat:

@ECHO OFF

REM Configure your favorite diff program here.
SET DIFF=C:\PROGRA~1\Vim\vim74\gvim.exe -d

REM Subversion provides the paths we need as the sixth and seventh
REM parameters.
SET LEFT=%6
SET RIGHT=%7

REM Call the diff command (change the following line to make sense for
REM your merge program).
%DIFF% %LEFT% %RIGHT%

REM Return an errorcode of 0 if no differences were detected, 1 if some were.
REM Any other errorcode will be treated as fatal.