How can synonyms be defined to allow loading babel with, e.g., \usepackage[nl-NL,en-GB]{babel} rather than \usepackage[dutch,english]{babel}?

  • What do you want that for? Babel works fine as specified. – errekak Jun 3 '15 at 19:26
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    @Lusr56 I imagine it would make integration with I18N applications a little more straightforward. – Sean Allred Jun 3 '15 at 20:23
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    @SeanAllred What we need then may be a whole rewrite of babel, renaming all internal language codes to conform to RFC-5646. – errekak Jun 3 '15 at 21:37
  • @Lusr56 I hear the maintainer accepts patches ;) – Sean Allred Jun 3 '15 at 22:25

Just create a proxy file. For example, for Dutch the file would be nl-NL.ldf and its contents


For en-GB.ldf it would be:


But the language names, as set in \selectlanguage and the like, are still dutch and british, respectively.

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  • So, again, what's the gain? – errekak Jun 3 '15 at 20:09
  • @Lusr56 I've edited the answer to show this case. – Javier Bezos Jun 4 '15 at 6:47
  • I removed my objection and edited the answer to make it complete and explicit. – errekak Jun 4 '15 at 17:31

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