matplotlib Code

legend doc. update

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.

Speed up quiver for large numbers of arrows; key tip given by Ray Speth.

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

added Tony's radar chart demo

axes_zoom_effect.py modified to use floats (instead of strings) for alpha values

Fix an error importing afm.py.