Localization does not work for sv (Swedish) in Edge (but does in Chrome that reports sv-SE).

Configuration:

• Web browser and its version:
  • Edge: 91.0.864.64
  • Chrome: 91.0.4472.124
• PDF.js version:
  • Latest demo version: https://mozilla.github.io/pdf.js/web/viewer.html

Steps to reproduce the problem:

1. Open the demo viewer in Chrome
2. Open the demo viewer in Edge

What is the expected behavior?

The viewer should be localized, i.e. translated to Swedish.

What went wrong? (add screenshot)

The viewer is translated to Swedish in Chrome, but not in Edge.

Request headers:

• Chrome: Accept-Language: sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7
• Edge: Accept-Language: sv,en;q=0.9,en-GB;q=0.8,en-US;q=0.7

The problem seems to be that the l10n folder does not contain an sv folder, but only an sv-SE.

[Snuffleupagus]

I suppose that another possible option could be to try and fixup these “incomplete” language codes, however I don’t know if this is a desirable change (for the PDF.js project) and more importantly if this is actually a specification compliant way of handling language codes; e.g. something like https://github.com/mozilla/pdf.js/compare/master...Snuffleupagus:issue-13689

[nachoalcazar]

The PR above should have fixed this if I look at https://github.com/mozilla/pdf.js/pull/13696/files#diff-51a0dde82a8d1b56568a0375e28fccde02bc154a89b3cb92f34f090b5219b62aR100. Are you sure you’re using the latest PDF.js version?

Yes, was fixed.