Message "inconsistent footnote references in translated message...."

[Baldassarre Cesarano]

What version of myst-parser are you using?

2.0.0

What version dependencies are you using?

Docutils 0.19, Python 3.11.1, on win32
sphinx-7.2.6

What operating system are you using?

Windows

Describe the Bug

In translated documents footnotes does not reprouced and this error appears:
WARNING: inconsistent footnote references in translated message. original: ['[^anothernote]'], translated: []

Sample.md

Expected Behavior

footnotes must be displayed in translated documents too!

To Reproduce

Steps:

Setup a fresh document

mkdir test_02 & cd test_02
sphinx-quickstart --sep -p TestBug -a BravoBaldo -r "0" -l "en" --extensions "myst_parser"
echo locale_dirs = ['locale/']            >> source\conf.py

Create and include a simple file called "Sample.md" with some footnotes (see attached Sample.md).

make singlehtml
Result: all ok.

Internationalization:

cls & make clean & make gettext
sphinx-intl update -p build/gettext -l en -l it

make clean & sphinx-build -b singlehtml -D language=it ./source build/singlehtml/it

Result: Still ok.

Translate "source\locale\it\LC_MESSAGES\Sample.po" (is enough a little change)

Note: this means to fill a "msgstr" with a translation of matching "msgid" for example:
msgid "Here's a simple footnote,[^1] and here's a longer one.[^bignote]"
msgstr "XXXHere's a simple footnote,[^1] and here's a longer one.[^bignote]"
(simply add "XXX")
(Strangely, if the text is the same the bug does not occur!!)

make clean & sphinx-build -b singlehtml -D language=it ./source build/singlehtml/it

This error appears for each note:
WARNING: inconsistent footnote references in translated message. original: ['[^anothernote]'], translated: []
and the footnote(s) are not displayed

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