We now have a simple mechanism for marking JavaScript APIs as
deprecated. I would like to invite you all to activate the corresponding
preference, and to use it for your own code.

* Seeing deprecation warnings
set preference "devtools.errorconsole.deprecation_warnings" to "true"

Deprecation warnings now appear in the console.

* Marking a method as deprecated


Components.utils.import("toolkit/content/Deprecated.jsm");

function foobar() {
   Deprecated.warning("Method foobar is deprecated", urlToDocumentation);
   // ...
}


Well, essentially, this is it.

Have fun!
 David


-- 
David Rajchenbach-Teller, PhD
 Performance Team, Mozilla

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