Pylab errorbar and legend

Legend() works great when you're using plot, but when you

    > use errorbar the auto-generated legend seems to include
    > bar and/or cap lines for the error bars, making it
    > unusable.

    > I fixed this once a long time ago by making the legend
    > command skip any lines without labels. It was kind of a
    > hack....

    > Having installed the latest version on my new MacBook Pro,
    > I found a better way to fix the problem too. In the
    > errorbar method of Axes I added label='_nolegend_' to the
    > plotting commands. If a developer would like to add it,
    > here are my modified lines 1577-1580 and 1590-1593 of

Done -- thanks!

svn revision 2401