The save has failed.
Warn: Links to certain pages, like the one(s) you are trying to add (eg. template documentation subpages), are not allowed in Wikidata. Please check our rules. You can contact an administrator if you think you are correct."
$1 makes no sense and the links to "our rules" and "administrators" are broken (need an additional Wikidata:). (edit: better yet, an additional d: per TTO)
Steps to reproduce:
- Go to https://commons.wikimedia.org/wiki/Module:Diff/doc
- Hit "Add links"
- Enter "nlwiki" as language
- Enter "Module:Diff/doc" as page
- Click button