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In both Opera and WebKit-based browsers document.createElement("<x>") gives you an INVALID_CHARACTER_ERR regardless of the rendering mode. Gecko only throws in standards mode. http://software.hixie.ch/utilities/js/live-dom-viewer/?%3Cscript%3Ew%28document.createElement%28%22%3Cx%3E%22%29%29%3C%2Fscript%3E
IIRC, this was added for behind-a-firewall IE compat.
Created attachment 452545 [details] [diff] [review] Patch v1
Assignee: nobody → Ms2ger
Status: NEW → ASSIGNED
Attachment #452545 - Flags: review?(jonas)
Attachment #452545 - Flags: review?(jonas) → review+
Keywords: checkin-needed, dev-doc-needed
this is bitrotted against current m-c, please provide an updated patch and re-ask c-n.
Created attachment 455879 [details] [diff] [review] Patch v2 (merged to tip) r=jonas
Attachment #452545 - Attachment is obsolete: true
Created attachment 455881 [details] [diff] [review] Patch v2.1, merged to tip Fixed a typo.
Attachment #455879 - Attachment is obsolete: true
Status: ASSIGNED → RESOLVED
Last Resolved: 8 years ago
OS: Linux → All
Hardware: x86 → All
Resolution: --- → FIXED
Target Milestone: --- → mozilla1.9.3b2
I added a note to <https://developer.mozilla.org/en/Firefox_4_for_developers#section_8>. Apparently, this quirk wasn't actually documented anywhere, so I don't think anything else is needed.
Keywords: dev-doc-needed → dev-doc-complete
> IIRC, this was added for behind-a-firewall IE compat. FYI, public sites were (are?) also affected: <https://bugs.webkit.org/show_bug.cgi?id=25893>. As Firefox is removing this quirk, we likely won't add it to WebKit.
It is still not giving any warnings or errors in the firebug console when this happens. As of FF4b12
That sounds like a problem with Firebug; if you actually look at our error console you'll see an exception is thrown.
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