Just a small inconsistency I noticed in the doc examples
"lines_bars_and_markers" which relates to the 2.0 style change:
The difference between filled and unfilled markers (for '.' vs
'o' or '5' vs '>' and some others) has become almost invisible.
At least, it not about filled vs unfilled anymore.
I would recommend keeping in this "unfilled" category only the
markers made of segments (like '+', x'...) and promote the others
(like '.', '5', '9'...) to filled. What do you think?
Now as a different but related question, I'm missing a bit marker
names for "truly unfilled" squares and circles. As of now, it
takes a plot(x, y, 'o', fillstyle='none') to got a hollow circle.
What do you think ? (maybe I'm just a bit lazy...)
(Maybe 'O' could be hollow version of 'o'? This "capital trick"
could work for 's' or 'v' as well, but fail for 'd' or '<'... )