Finally found a table explaining the vga "modes" that the Linux kernel handles. For some reason, on my work laptop (Dell M1710) only gets
0x31F doesn't work.
svn copy -r 11 file:///tmp/repos/test/trunk file:///tmp/repos/test/tags/0.6.32-prerelease -m "Forgot to tag at rev 11"
So, I think in our context, the file was deleted in revision 99 and we are now at 300: (in the trunk/src directory)
svn cp -r 99 http://srv/proj/trunk/src/filename filename