- Open any Flow editor in VE mode
- Paste a category. For instance: [[category:foo]]
- A stacktrace appears in the editor
11:20:03.371 TypeError: range is null ve.dm.Surface.prototype.setSelection() load.php:178 ve.dm.Surface.prototype.changeInternal() load.php:181 ve.dm.Surface.prototype.change() load.php:180 ve.dm.SurfaceFragment.prototype.change() load.php:184 ve.dm.SurfaceFragment.prototype.insertDocument() load.php:195 insert() load.php:414 jQuery.Callbacks/fire() load.php:45 jQuery.Callbacks/self.fireWith() load.php:46 .Deferred/</deferred[tuple[0]]() load.php:47 ve.ui.DataTransferHandler.prototype.resolve() load.php:546 ve.ui.MWWikitextStringTransferHandler.prototype.process/<() load.php:768 .Deferred/promise.then/</</<() load.php:47 jQuery.Callbacks/fire() load.php:45 jQuery.Callbacks/self.fireWith() load.php:46 .Deferred/</deferred[tuple[0]]() load.php:47 mw.Api.prototype.ajax/xhr<() load.php:338 jQuery.Callbacks/fire() load.php:45 jQuery.Callbacks/self.fireWith() load.php:46 done() load.php:135 .send/callback() load.php:1411 load.php:178:119