Well, here is the patch with a relevant test: https://reviewboard.mozilla.org/r/215474/diff/3#index_header https://reviewboard.mozilla.org/r/215474/diff/3#index

Well, here is the patch with a relevant test: https://reviewboard.mozilla.org/r/215474/diff/3#index_header https://reviewboard.mozilla.org/r/215474/diff/3#index_header Seems to create an iFrame, sets the source to "chrome://global/content/win.xul", then creates a div (with a NS) inside it and sets the content to: <a onclick="foo()" href="javascript:foo"><script>bar()<\/script>Meh.</a><a href="http://foo/"></a> The expected results is the div contents is: <a>Meh.</a><a href="http://foo/"></a>