The wrong (by W3C) head hreflang="gsw-berne" HTML tag:
<link rel="alternate" hreflang="gsw-berne" href="https://www.domainXXX.com/ch/ihr-spezialist-fur-abdichtungen-und-markierungen" />
which is reported by W3C as an error (attached screenshot):
Error: Bad value gsw-berne for attribute hreflang on element link: Bad variant subtag berne.
From line 22, column 1; to line 22, column 128
<link rel="alternate" hreflang="gsw-berne" href="https://www.domainXXX.com/ch/ihr-spezialist-fur-abdichtungen-und-markierungen" />↩<link
There are two variants for the issue fix:
1. Patch the core language version #3 🐛 Replace 'gsw-berne' (Swiss German language) with 'gsw' (W3C compliant) Needs work . For new projects.
2. Modify the output only ( #9 🐛 Replace 'gsw-berne' (Swiss German language) with 'gsw' (W3C compliant) Needs work ). More suitable for existing (old) projects.
Both of the patches replace core language hreflang="gsw-berne" (German Swiss language) with hreflang="gsw" (W3C compliant).
Needs work
10.1 ✨
Issue summaries save everyone time if they are kept up-to-date. See Update issue summary task instructions.
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
The issue summary mentions a screenshot but I don't see one, unless it's the code snippet
The proposed solution mentions 2 approaches can it be highlighted which was chosen and why.
#28 will need test coverage
Thanks.