sync-window-mode; A mode for keeping two side-by-side windows synchronized. (experimental)
Move mercurial stuff to configuration hints at emacswiki.org/emacs/sync-window.
== sync-window-mode == Keeps two side-by-side windows synchronized. You can switch it on by {{{M-x sync-window-mode}}}. The mode resulted from a . . .
Link the elisp package on the page.