[bug-gettext] [bug #32505] xgettext on C# file crashes when input file contains Unicode literal with surrogates

[Daiki Ueno]

Update of bug #32505 (project gettext):

                  Status:               Confirmed => In Progress            
             Assigned to:                  m1gu3l => ueno                   

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Follow-up Comment #2:

According to ECMA-334 9.4.1, a Unicode code point in the range U+10000 to
U+10FFFF is represented using two Unicode surrogate code units.  I couldn't
find any example in the specification, but a quick web search showed that the
following expressions represent the same string:


string s1 = "\U00020213";    // Codepoint U+20213
string s2 = "\uD840\uDE13";  // Encoded form of U+20213


This indeed works with Mono, but aborts xgettext.  I'm attaching a tentative
patch to fix this.


(file #32566)
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Additional Item Attachment:

File name: 0001-csharp-Recognize-Unicode-surrogate-character-pair.patch Size:3
KB


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