.jshintrc

py3: add alternate output on Python 3

This is basically the same deal as D5806. Python 3's exception
printing output is different.

We had to tweak the regular expression to match appropriately,
hence the added line of output.

Differential Revision: https://phab.mercurial-scm.org/D5807

{
    // Enforcing
    "eqeqeq"        : true,     // true: Require triple equals (===) for comparison
    "forin"         : true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
    "freeze"        : true,     // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
    "nonbsp"        : true,     // true: Prohibit "non-breaking whitespace" characters.
    "undef"         : true,     // true: Require all non-global variables to be declared (prevents global leaks)

    // Environments
    "browser"       : true      // Web Browser (window, document, etc)
}