Reduce memory leakage in Gtk+-based backends. Still far from perfect.
Turn off mixed-mode rendering when svg.image_noscale is True.
Fix minor bug in findfont -- None input should return default font.
First pass formatting dates.py documentation.
patches: use None rather than 0 for full wedge
patches: allow partial rings with Wedge
fixed a vlines/hlines doc bug
Added missing include, fixed debian bug #505618
Fix autoscaling problems associated with axhline etc.
[ 2269684 ] mathtext broken in the cairo backend
