Maniphest T420749

Parsoid incorrectly displays ⟨magiclink-tracking-isbn⟩ at the bottom of pages
Closed, ResolvedPublicBUG REPORT
Actions

Assigned To

Authored By

	Nirmos
	Mar 20 2026, 4:09 PM

Description

On https://sv.wikipedia.org/wiki/Polyetylenglykol we can incorrectly see "Sidor som använder magiska ISBN-länkar" (Swedish for "Pages using ISBN magic links") at the bottom. However, the page does not contain any magic links, and the category page https://sv.wikipedia.org/wiki/Kategori:Sidor_som_anv%C3%A4nder_magiska_ISBN-l%C3%A4nkar correctly does not include "Polyetylenglykol".

If we go to https://sv.wikipedia.org/w/index.php?title=Polyetylenglykol&useparsoid=0 instead, everything works as expected.

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Bump wikimedia/parsoid to 0.23.0-a23	mediawiki/vendor	master	+458 -134
	Stop adding tracking category for magic link in wikilink	mediawiki/services/parsoid	master	+19 -30

Customize query in gerrit

Event Timeline

Nirmos created this task.Mar 20 2026, 4:09 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 20 2026, 4:09 PM

$ (master *) echo "[[Special:Bokkällor/978-0-444-53214-5|ISBN 978-0-444-53214-5]]" | php bin/parse.php --trace peg
0-[peg]        | ---->    [{"type":"SelfclosingTagTk","name":"wikilink","attribs":[{"k":"href","v":"Special:Bokkällor/978-0-444-53214-5","srcOffsets":[2,2,2,38],"vsrc":"Special:Bokkällor/978-0-444-53214-5"},{"k":"mw:maybeContent","v":[{"type":"SelfclosingTagTk","name":"extlink","attribs":[{"k":"href","v":"Special:BookSources/9780444532145"},{"k":"mw:content","v":"ISBN 978-0-444-53214-5","srcOffsets":[39,39,39,61]},{"k":"typeof","v":"mw:WikiLink/ISBN"}],"dataParsoid":{"stx":"magiclink","tsr":[39,61]}}],"srcOffsets":[39,39,39,61],"vsrc":"ISBN 978-0-444-53214-5"}],"dataParsoid":{"tsr":[0,63],"src":"[[Special:Bokkällor/978-0-444-53214-5|ISBN 978-0-444-53214-5]]"}}]

We're tokenizing an isbn in the wikilink's content and then backing that out as a string at some later stage. However, the category is added in the tokenizer

ABreault-WMF moved this task from Needs Triage to Bugs & Crashers on the Parsoid board.Mar 20 2026, 6:41 PM

ABreault-WMF added a project: Content-Transform-Team (Work In Progress).

Change #1256593 had a related patch set uploaded (by Arlolra; author: Arlolra):

[mediawiki/services/parsoid@master] Stop adding tracking category for magic link in wikilink

https://gerrit.wikimedia.org/r/1256593

gerritbot added a project: Patch-For-Review.Mar 20 2026, 11:41 PM

ABreault-WMF triaged this task as Medium priority.Mar 20 2026, 11:42 PM

ABreault-WMF moved this task from Backlog to Code Review on the Content-Transform-Team (Work In Progress) board.

Change #1256593 merged by jenkins-bot:

[mediawiki/services/parsoid@master] Stop adding tracking category for magic link in wikilink

https://gerrit.wikimedia.org/r/1256593

Maintenance_bot removed a project: Patch-For-Review.Mar 21 2026, 2:30 PM

Arlolra moved this task from Code Review to To Deploy on the Content-Transform-Team (Work In Progress) board.Mar 22 2026, 2:52 PM

Change #1259169 had a related patch set uploaded (by Jgiannelos; author: Jgiannelos):

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.23.0-a23

https://gerrit.wikimedia.org/r/1259169

gerritbot added a project: Patch-For-Review.Mar 23 2026, 5:32 PM

Change #1259169 merged by jenkins-bot:

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.23.0-a23

https://gerrit.wikimedia.org/r/1259169

Maintenance_bot removed a project: Patch-For-Review.Mar 23 2026, 7:31 PM

ABreault-WMF moved this task from To Deploy to To Verify on the Content-Transform-Team (Work In Progress) board.Mar 26 2026, 6:08 PM

Post-deploy and purge, the hidden category is no longer on https://sv.wikipedia.org/wiki/Polyetylenglykol

The hidden category is still on articles where it should not be. https://sv.wikipedia.org/wiki/Lingbo_station

I did ?action=purge on https://sv.wikipedia.org/wiki/Lingbo_station and it is now gone

The cache will turn over in a few weeks time and they should all be gone. Or they can be manually purged. Sorry for the trouble

OK. Thanks! (I purged the article by using our gadget MediaWiki:Gadget-ResavePage.js before I wrote the comment and it didn't help.) URL+&action=purge works.

Parsoid incorrectly displays ⟨magiclink-tracking-isbn⟩ at the bottom of pagesClosed, ResolvedPublicBUG REPORTActions

Description

Details

Event Timeline

Parsoid incorrectly displays ⟨magiclink-tracking-isbn⟩ at the bottom of pages
Closed, ResolvedPublicBUG REPORT
Actions