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011914121c
The documentation on context is incorrect and misleading: 1. "Angular expressions must use $window explicitly to refer to the global `window` object": expressions cannot access `$window` 1. The example doesn't actually attempt to use $window in a expression. It's in a function called from an expression, which incorrectly implies to readers that: 1. functions ARE expressions 1. functions called by expressions can't access `window` Here's [a plunkr](http://plnkr.co/edit/Gd4xAV?p=preview) to make both these issues clear. This change fixes the errors and informs the reader about Angular's `$window` etc services, and adds an explicit example of an expression not being able to access `window`.