New subject: [Bug 826422] gettext: broken handling of unicode code point escapes in Tcl

24 Jun 2013

      https://bugzilla.novell.com/show_bug.cgi?id=826422

https://bugzilla.novell.com/show_bug.cgi?id=826422#c0

           Summary: gettext: broken handling of unicode code point escapes
                    in Tcl
    Classification: openSUSE
           Product: openSUSE 12.3
           Version: Final
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Basesystem
        AssignedTo: bnc-team-screening@forge.provo.novell.com
        ReportedBy: gber@opensuse.org
         QAContact: qa-bugs@suse.de
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:21.0) Gecko/20100101
Firefox/21.0

xgettext parsing of unicode code point escapes is broken, it tries to replace
the escape with the literal unicode character but does not consume the last
character of the escape but copies it into the output which results in corrupt
.po files, e.g.:

----8<----
$ cat gettext-bug.tcl
#!/usr/bin/tclsh

package require msgcat

puts [msgcat::mc "Hello\u200e\u201cWorld\u201d"]
$ $ /usr/bin/xgettext -o- gettext-bug.tcl
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR , YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2013-06-24 16:24+0200\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME \n"
"Language-Team: LANGUAGE \n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#: gettext-bug.tcl:5
msgid "Hello‎e“cWorld”d"
msgstr ""
---->8----

It should probably not try to substitute these escapes at all as it results in
fragile .po files with embedded control characters, see e.g. the U+200E
left-to-right mark in the above example.

Reproducible: Always

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[Bug 826422] New: gettext: broken handling of unicode code point escapes in Tcl

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