Greta_Doci_WMDE added a comment.
Sorry for the confusion, and for not updating the ticket before uploading the patch. After consultation with Lydia, we decided that we disallow | characters in aliases and make item pages compatible with the current behavior of Special:SetAliases. We have checked some of the existing cases (aliases with |) and they all seemed to be non-legitimate (looks like entered by mistake, or some aliases are including wikitext image tags and some seemed to confuse it maybe because they came from Special:SetAliases and thought it functions the same .. etc). That will have one minor impact on summary messages when users try to edit aliases of an item that already have some aliases containing a |. Though that seems acceptable. The plan is to announce this change before deploying it so that we allow for feedback in case anyone has legitimate reasons to ask for allowing | characters in aliases. TASK DETAIL https://phabricator.wikimedia.org/T219499 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Greta_Doci_WMDE Cc: thiemowmde, Greta_Doci_WMDE, Tarrow, Addshore, Aklapper, alaa_wmde, joker88john, CucyNoiD, Nandana, NebulousIris, Gaboe420, Versusxo, Majesticalreaper22, Giuliamocci, Adrian1985, Cpaulf30, Lahi, Gq86, Baloch007, Darkminds3113, Bsandipan, Lordiis, GoranSMilovanovic, Adik2382, Th3d3v1ls, Ramalepe, Liugev6, QZanden, LawExplorer, Lewizho99, Maathavan, _jensen, rosalieper, Jonas, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331
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