matplotlib/matplotlib — pull request #1743 by tacaswell (2013-02-11 15:58:02+00:00)
Title: slight tweak to the documentation of `errorbar`

Instigated by this [thread](http://sourceforge.net/mailarchive/forum.php?thread_name=5117DBEB.6050301%40uibk.ac.at&forum_name=matplotlib-devel) on matplotlib-devel.