matplotlib Code

Fix mathtex-inside-of-matplotlib install (need to explicitly include mathtex.backends package)

Enable caching for mathtex expressions. This delivers a big performance boost when panning/zooming.

Build mathtex as part of matplotlib's build

Update the mathtex branch so that it includes the latest fixes from trunk.

Revert r7307 to the mathtex branch after a dicussion on the mailing list.

Add first attempt at getting matplotlib to install mathtex.

Update the mathtex branch so that it is up-to-date with trunk.

Try to add merge tracking to the mathtex branch.

Add support for mathtext.default to the OS X backend. This still requires testing from a Mac user.

Update the INSTALL file so that it includes information about mathtex.