zotero/translators — pull request #664 by andersjohansson (2013-12-22 16:55:04+00:00)
Title: BibLaTeX: Never print to "language" field

CSL/Zotero language doesn't correspond to the biblatex field "language" (which is sometimes written out) but only to "langid".

As discussed in the forum: https://forums.zotero.org/discussion/33960/biblatex-importexport-csl-language-biblatex-langid/