After a bit of digging I found that the problem is caused by the line:
KPX Y ydieresis -'0
in the font files jkplmsc8a.afm and jkpmsc8a.afm installed with the
package texlive-fonts-extra. When afm.py parses this line it fails because
it can't convert the last token "-'0" to float.
I don't know
After upgrading to matplotlib 1.3.1-1 importing matplotlib.pyplot fails
with the error:
Python 2.7.5+ (default, Sep 17 2013, 15:31:50)
[GCC 4.8.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib.pyplot
Found an unknown keyword in AFM header (w
