#34221: Plural-Forms in .po files break Django's translation precedence.
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               Reporter:  Stefano Parmesan      |          Owner:  nobody
                   Type:  Bug                   |         Status:  new
              Component:  Internationalization  |        Version:  4.1
               Severity:  Normal                |       Keywords:  i18n
           Triage Stage:  Unreviewed            |      Has patch:  0
    Needs documentation:  0                     |    Needs tests:  0
Patch needs improvement:  0                     |  Easy pickings:  0
                  UI/UX:  0                     |
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 According to the
 [https://docs.djangoproject.com/en/4.1/topics/i18n/translation/#how-
 django-discovers-translations| documentation], Django reads translations
 from `LOCALE_PATHS` first, then from apps in `INSTALLED_APPS`, and then
 from its own folders.

 This behaviour breaks if the files in `LOCALE_PATHS` contain `Plural-
 Forms` while those found in `INSTALLED_APPS` don't.

 To test this behaviour I created a test project on github here:

 https://github.com/armisael/test-django-i18n-preference

 The project contains a .po file with `Plural-Forms` and a single
 translation that is also included in one of the dependencies. A single
 test checks which translation is picked.

 With the current configuration, the test fails by using the dependency
 translation. It passes if:
 1) the dependency is removed from `INSTALLED_APPS`; or if
 2) `Plural-Forms` is removed from the .po file.

 1) proves that i18n is correctly configured, and that the dependency
 translation is picked over the project one; 2) proves that `Plural-Forms`
 is involved in the bug.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/34221>
Django <https://code.djangoproject.com/>
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