About [[MediaWiki:Passwordreset-emailtext-ip/en]] and [[MediaWiki:Passwordreset-emailtext-user/en]]
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Can ($4) be changed to <$4>, or put it in a separate line?
In Gmail, the trailing parenthese is considered as a part of the link and make the link fail when clicked.
See Thread:Support/MediaWiki:passwordreset-emailtext-ip_and_MediaWiki:passwordreset-emailtext-user, the patch has a comment by siebrand on how to properly fix it.