On Sat, Nov 23, 2013 at 9:39 PM, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> I want to extend Evil's % command to work with matching $'s and
> delimiters like \left and \right (this is for working with latex).
(...)

Maybe Smartparens is what you're looking for?

Cheers,
--
José A. Romero L.
escherdragon@gmail.com
"We who cut mere stones must always be envisioning cathedrals."
(Quarry worker's creed)