DOCUMENTATION BUG (PLEASE VOTE TO GET BUG FIXED) Follow
WebStorm v11's built-in documentation works erratically for AngularJS: documentation displays for some directives (like ng-app) but not others (like ng-controller).
Please go to the following link and vote to have the documentation bug fixed.
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The link is:
https://youtrack.jetbrains.com/issue/WEB-19553
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