Overview Description: On the Hotmail login page, on the Mac only, using TAB to move through some of the form elements: (1) stops working, and (2) kills any further typing entry in the form elements. This may be related to the frame/sibling problem for CNN.com (bug 52333). cc: karnaze. Steps to Reproduce: 1) Load the attached testcase 2) Type some text in the first text field, then hit TAB Actual Results: Focus moves to the <select>, but will not proceed further. After that, you can no longer type into the text controls. Expected Results: Focus should advance on each TAB, at least to the end of the page. Reproducibility: 100% on MAC, 0% on win32/linux Build Date & Platform Bug Found: 2000091520 Mac DOES NOT OCCUR on 2000091505 win32, 2000091508 linux Nom. nsbeta3, as this is a common user interaction with a simple form on a top100 web page.

This is a dup of a bug rods has, which was futured...

This is bug 51642, which was fixed when danm backed out his fix for 49007 *** This bug has been marked as a duplicate of 51642 ***

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fixing null OS field