[Poppler-bugs] [Bug 83401] New: Blank space where every 'fi' ligature should be

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83401

          Priority: medium
            Bug ID: 83401
          Assignee: poppler-bugs at lists.freedesktop.org
           Summary: Blank space where every 'fi' ligature should be
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: zackw at panix.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: general
           Product: poppler

Created attachment 105613
  --> https://bugs.freedesktop.org/attachment.cgi?id=105613&action=edit
test case

The attached PDF is a single page extracted from the 1999 C standard.  Evince
3.12.2 renders it correctly *except* that every single 'fi' ligature has turned
into a blank space.  Since the document makes heavy use of terms like
'identifier', 'specifier', 'qualifier', 'definition', and so on, this bug is,
although minor, exceedingly irritating. ;-)  IIRC this also affects 'fl',
'ffi', and other common ligatures, but 'fi' is the only one on this page.  Copy
and paste is not affected.

Older versions of Evince/Poppler rendered this document correctly; I do not
know exactly when it broke.  Ghostscript 9.06 does render it correctly.  It is
probably relevant that *none* of the fonts used are embedded (they are all from
the mandatory 17).

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