[XeTeX] Unicode Math and Evince 3.4.0 (poppler 0.18.4) problems

[Chris Yocum]

Hi Guys,

I just wanted to let everyone know that if you use evince 3.4.0 with
poppler 0.18.4 and the unicode math package (default settings) that
you will not be able to print because of poppler bug
(https://bugs.freedesktop.org/show_bug.cgi?id=53925).  I have attached
a minimal example to this email but you will not see the problems with
evince until you try to print as it displays correctly but refuses to
print with the error "Internal Error: cairo context error: input
string not valid UTF-8".  You can find out before hand if you click
print then in the print dialog box when you hit print preview, you
will that the page with the math on it is blank.

I am not sure if this has been fixed but in next version of ubuntu
(which is due in a few days time).

All the best,
Chris
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