A category can be added into itself using the Visual Editor category dialog
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Description

Edit a category page using Visual Editor. Go to the categories dialog. Add the name of that same category:

  • it will appear in auto-completion
  • it can be added in the dialog
  • the page can be saved with this category inside itself

It's possible to do it with the source editor, too, but it's largely unnecessary and should probably be at least discouraged:

  • It should probably be removed from autocompletion or shown somehow differently
  • There should be a warning when adding a category into itself

Or prohibit it completely :)

Amire80 created this task.Jul 14 2016, 11:01 AM
Restricted Application added subscribers: Zppix, Aklapper. · View Herald TranscriptJul 14 2016, 11:01 AM
Esanders triaged this task as Lowest priority.Jul 14 2016, 11:28 AM

Or prohibit it completely :)

T37221: Categories can contain themselves has been declined.

Or prohibit it completely :)

T37221: Categories can contain themselves has been declined.

Oh well, no problem. But there should be at least a warning.