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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 51843] New: surrogate pairs not treated as single unicode codepoint for display purposes
Date Mon, 19 Sep 2011 01:35:24 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=51843

             Bug #: 51843
           Summary: surrogate pairs not treated as single unicode
                    codepoint for display purposes
           Product: Fop
           Version: 1.1dev
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: general
        AssignedTo: fop-dev@xmlgraphics.apache.org
        ReportedBy: glenn@skynav.com
    Classification: Unclassified


unicode codepoints outside of the BMP (base multilingual plane), i.e., whose
scalar value is greater than 0xFFFF (65535), are coded as UTF-16 surrogate
pairs in Java strings, which pair should be treated as a single codepoint for
the purpose of mapping to a glyph in a font (that supports extra-BMP mappings);

at present, FOP does not correctly handle this case in simple (non complex
script) rendering paths;

furthermore, though some support has been added to handle this in the complex
script rendering path, it has not yet been tested, so is not necessarily
working there either;

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