I use mercurial and I want to see modified change in Vim or GVim.
Normally there is hg diff
which show the modified changes in diff format.
but I want to see it in Vim as the original version and modified version side-by-side.
I try extdiff in http://mercurial.selenic.com/wiki/ExtdiffExtension but it doesn't work and gvim open some blank file.
I know there is gvim -d localfile otherfile
but I don't know how to config mercurial.