Fwd: Bug#1077059: gettext: xgettext complains about missing charset header when using the exclude option

[Santiago Vila]

Hello.

I received the following report from the Debian BTS.

-------- Mensaje reenviado --------
Asunto: Bug#1077059: gettext: xgettext complains about missing charset header 
when using the exclude option
Fecha: Thu, 25 Jul 2024 18:44:28 +0200
De: Nicolas Peugnet <n.peugnet@free.fr>
Para: Debian Bug Tracking System <submit@bugs.debian.org>

Package: gettext
Version: 0.22.5-1
Severity: normal

Dear Maintainer,

After upgrading gettext to the latest version from testing (0.22.5-1) I
I can not use xgettext to extract messages from a .pot files in
conjuction with the exclude option. xgettext complains about a missing
header entry with charset specification, but is is there, and it worked
with the previous version from Debian stable (0.21-12).

Here is a demonstration of the problem:

   $ ls
   exclude.po  messages.po
   $ head -n30 *
   ==> exclude.po <==
   msgid ""
   msgstr ""
   "MIME-Version: 1.0\n"
   "Content-Type: text/plain; charset=UTF-8\n"
   "Content-Transfer-Encoding: 8bit\n"

   msgid "API"
   msgstr ""

   msgid "Atom"
   msgstr ""

   msgid "BibTeX"
   msgstr ""

   msgid "CLI"
   msgstr ""

   msgid "CalDAV"
   msgstr ""

   msgid "CardDAV"
   msgstr ""


   ==> messages.pot <==
   # SOME DESCRIPTIVE TITLE.
   # Copyright (C) 2022-2024, Membres de CLUB1
   # This file is distributed under the same license as the CLUB1 package.
   # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
   #
   #, fuzzy
   msgid ""
   msgstr ""
   "Project-Id-Version: CLUB1 main\n"
   "Report-Msgid-Bugs-To: \n"
   "POT-Creation-Date: 2024-07-25 18:30+0200\n"
   "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
   "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
   "Language-Team: LANGUAGE <LL@li.org>\n"
   "MIME-Version: 1.0\n"
   "Content-Type: text/plain; charset=UTF-8\n"
   "Content-Transfer-Encoding: 8bit\n"

   #: ../../_templates/404.html:2
   #: ../../_templates/404.html:5
   msgid "404 Non trouvé"
   msgstr ""

   #: ../../_templates/404.html:6
   msgid "La page demandée n'existe pas ou plus, elle a peut-être été renommée."
   msgstr ""

   #: ../../_templates/breadcrumbs.html:9
   msgid "Traduire sur Weblate"
   msgstr ""
   $ xgettext -x exclude.po messages.pot
   Warning: program compiled against libxml 212 using older 209
   xgettext: messages.pot: input file doesn't contain a header entry with a 
charset specification

I tried to compile the upstream project from source in order to bisect
the issue, but I had to much problems compiling the example, which I
didn't even need.
It should probably be forwarded upstream.

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