[DejaVu-bugs] [Bug 28475] New: Problem with U+0331 Combining Macron Below

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28475

           Summary: Problem with U+0331 Combining Macron Below
           Product: DejaVu
           Version: unspecified
          Platform: Other
        OS/Version: Mac OS X (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Mono Sans
        AssignedTo: dejavu-bugs at lists.freedesktop.org
        ReportedBy: jcrippen at gmail.com


Created an attachment (id=36188)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36188)
Image of collected screenshots showing misbehavior of U+0331 with XeTeX.

Using XeTeX, which should be properly supporting mark positioning, the
character U+0331 Combining Macron Below is not rendered correctly. The attached
screenshot shows the sequence U+0078 Latin Small Letter X, U+0331 Combining
Macron Below, and U+02BC Modifier Letter Apostrophe as produced by XeTeX
(version 3.1415926-2.2-0.9995.2 (TeX Live 2009)). The U+02BC Modifier Letter
Apostrophe behaves correctly in the other screenshot which shows only the
sequence U+0078 U+0331 without the U+0331 Combining Macron Below.

Other fonts which support U+0331 display the problematic sequence correctly, as
shown by the third screenshot which uses Bitstream/Apple’s Courier (v.
6.1d5e1), although note the incorrect difference between the height of U+0331
versus the diacritic appearing as part of the precombined U+1E34 Latin Capital
Letter K with Line Below.

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