context: raise ProgrammingError on repo['my-tag']
We had an internal extension that I had failed to migrate off of the
deprecated API and its "'my-tag' in repo" check just started returning
False. It took a while to figure out that that was what was
happening. This patch would have helped.
Differential Revision: https://phab.mercurial-scm.org/D3895
{
// 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)
}