tests: add a test to demonstrate a bug in `hg diff --git` (issue6486)
Issue url: https://bz.mercurial-scm.org/show_bug.cgi?id=6486
This will be fixed in next patch.
Differential Revision: https://phab.mercurial-scm.org/D10000
{
// 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)
}