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Maniphest T421834

Error messages are double-escaped
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Description

Steps to replicate the issue (include links if applicable):

  • Make a Python implementation fail due to inconsistent use of tabs and spaces as part of indentation.
  • View error details (look under 'Errors').

What happens?:
The error message is double-escaped.

Screenshot 2026-03-25 at 1.56.20 PM.png (638×964 px, 104 KB)

What should have happened instead?:
The error message should have rendered the angle brackets and quotes correctly.

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
FunctionMetadataDialog: Fixed error summary text double escapingmediawiki/extensions/WikiLambdamaster+8 -5
Customize query in gerrit

Event Timeline

Redmin created this task.Mar 31 2026, 8:35 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 31 2026, 8:35 AM
Redmin added a project: Abstract Wikipedia team.Mar 31 2026, 8:35 AM
Maintenance_bot added a project: Abstract Wikipedia.Mar 31 2026, 9:30 AM
DSmit-WMF subscribed.Mar 31 2026, 10:07 AM

Do you mind giving some more reproduction steps? (what code or composition to use)
Or an example function?

Redmin updated the task description. (Show Details)Mar 31 2026, 10:35 AM

Sorry, the cause of the error wasn't what I remembered it as being; I noticed this with incorrectly indented Python code.

DSmit-WMF changed the task status from Open to In Progress.Mar 31 2026, 10:45 AM
DSmit-WMF claimed this task.
DSmit-WMF added a comment.Mar 31 2026, 10:53 AM
Screenshot 2026-03-31 at 12.50.14.png (1×1 px, 163 KB)
Screenshot 2026-03-31 at 12.52.24.png (1×1 px, 156 KB)
before fixafter fix
gerritbot added a comment.Mar 31 2026, 10:54 AM

Change #1265387 had a related patch set uploaded (by Daphne Smit; author: Daphne Smit):

[mediawiki/extensions/WikiLambda@master] FunctionMetadataDialog: Fixed error summary text double escaping

https://gerrit.wikimedia.org/r/1265387

gerritbot added a project: Patch-For-Review.Mar 31 2026, 10:54 AM
DSmit-WMF moved this task from To Triage to 26Q3 (Jan–Mar) on the Abstract Wikipedia team board.Mar 31 2026, 10:54 AM
DSmit-WMF edited projects, added Abstract Wikipedia team (26Q3 (Jan–Mar)); removed Abstract Wikipedia team.
DSmit-WMF moved this task from Incoming to In Code review on the Abstract Wikipedia team (26Q3 (Jan–Mar)) board.
Jdforrester-WMF triaged this task as Medium priority.Apr 6 2026, 5:42 PM
Jdforrester-WMF edited projects, added Abstract Wikipedia team (26Q4 (Apr–Jun)); removed Abstract Wikipedia team (26Q3 (Jan–Mar)).
Jdforrester-WMF moved this task from Incoming to Ready to deploy on the Abstract Wikipedia team (26Q4 (Apr–Jun)) board.
gerritbot added a comment.Apr 6 2026, 5:55 PM

Change #1265387 merged by jenkins-bot:

[mediawiki/extensions/WikiLambda@master] FunctionMetadataDialog: Fixed error summary text double escaping

https://gerrit.wikimedia.org/r/1265387

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.23; 2026-04-07).Apr 6 2026, 6:00 PM
Maintenance_bot removed a project: Patch-For-Review.Apr 6 2026, 6:31 PM
DSantamaria added a project: Essential-Work.Apr 7 2026, 1:11 PM
Jdforrester-WMF moved this task from Ready to deploy to Needs Sign-off on the Abstract Wikipedia team (26Q4 (Apr–Jun)) board.Apr 15 2026, 10:04 PM
DSantamaria closed this task as Resolved.Tue, Apr 21, 3:04 PM
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