I've forwarded that upstream:
https://bugs.freedesktop.org/show_bug.cgi?id=9862
** Changed in: poppler (upstream)
Importance: Undecided => Unknown
Bugwatch: None => Freedesktop Bugzilla #9862
Status: Unconfirmed => Unknown
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Bad rendering (hinting) in Evince and Xpdf
https://launchpad.net/bugs/26118