PDF not readable by Adobe PDF readers

Ghostscript's -dPDFDEBUG option pointed to an operation in the page
description that sets the line width to the string "2", which is
nonsensical. When I manually edited that to be the number 2, Adobe
Reader displayed the file. Does the source code by any chance include
something like this:

   plot(..., lw='2')

If so, the solution would be to add some type checks in the backend
(and possibly in the frontend). If not, there must be a stranger bug
somewhere in the matplotlib innards.


Jouni K. Sepp�nen

Thx a lot you guys, as suggested by Jouni, it was indeed the line

ax.axvline(x=1, c='#000000', lw='2', alpha=0.5)

which caused the problem. Jens' trick to change the backend also led me to
the same line as it complains about this misplaced string '2'.

You helped me a lot, I was clueless :), thx again!


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