[Koha-bugs] [Bug 35043] Handling of \t in PO files is confusing

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=35043

Marcel de Rooy <m.de.rooy at rijksmuseum.nl> changed:

           What    |Removed                     |Added
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 Attachment #156950|0                           |1
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--- Comment #6 from Marcel de Rooy <m.de.rooy at rijksmuseum.nl> ---
Created attachment 157922
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=157922&action=edit
Bug 35043: Use Locale::PO->quote

We have our own "quote_po" sub that is stating that Locale::PO::quote
is buggy because it does not deal with quoting new lines correctly.
However it seems that it is fixed now.

Ideally we could use Locale::PO::quote everywhere, but it does not
escape tab characters:
  $string =~ s/\\(?!t)/\\\\/g;           # \t is a tab

This means the following:
msgid "Tabulation (\\t)"
msgstr "Tabulation (\\t)"
become:
-msgid "Tabulation (\t)"
-msgstr "Tabulation (\t)"

And we are seeing the following on Weblate:
https://snipboard.io/BjQmDC.jpg

Note that Locale::PO has not been updated since 2014...

The real problem behind this is that we have 2 methods to quote strings.
At first glance it seems that Locale::PO::quote was not used before, but
with the introduction of the koha-i18n project we will have scripts that
will use Locale::PO->save_file_fromarray, which uses Locale::PO->quote
=> Those scripts will be used on the translation server for post
processing (security reason, marking potential XSS strings as fuzzy).

Test plan:
0. Do not apply the patch
1. gulp po:update --lang LANG # Replace LANG with your favorite language
   code
2. git commit -a -m"init PO files"
3. Apply this patch
4. Repeate 1.
5. git diff
   => The change is about the "Tabulation" and "New line" strings from
      tools/csv-profiles.tt
6. Translate them (replace the \t and \n with %s) and remove the fuzzy
   flag
7. install the template: cd misc/translator && perl translate install
   LANG
8. Enable the language, use it and go to the "Nouveau profil CSV" view
   => Notice that the \t and \n are correctly displayed.

Signed-off-by: Owen Leonard <oleonard at myacpl.org>

Signed-off-by: Marcel de Rooy <m.de.rooy at rijksmuseum.nl>

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