Last modified: 2014-09-25 22:52:21 UTC
If you have the preference set to "Edit pages on double click", then double-clicking on a word while you're already in VisualEditor tries to re-open the page so you can edit it.
This was reported in Mozilla 23 on Windows 8, and I reproduced it in Safari 6 on Mac OS 10.7.5, so it's probably universal.
For variety, I confirmed on Chrome/Linux ;-)
fwiw 'Enable section editing by right clicking on section titles' is active within VE
Change 150391 had a related patch set uploaded by Alex Monk: Add JS hook to allow extensions to prevent double click from changing to action=edit https://gerrit.wikimedia.org/r/150391
Change 150391 merged by Bartosz Dziewoński: Make mediawiki.action.view.dblClickEdit recheck preference https://gerrit.wikimedia.org/r/150391
Is this now fixed given the above being merged?
Change 162968 had a related patch set uploaded by Alex Monk: Stop "Edit pages on double click" from affecting VE https://gerrit.wikimedia.org/r/162968
Change 162968 merged by jenkins-bot: Stop "Edit pages on double click" from affecting VE https://gerrit.wikimedia.org/r/162968