Patch 6 more nits fixed

roc:
review+
roc:
superreview+
mtschrep:
approval1.9+

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Attempt to constrain the event loop run

roc:
review+
roc:
superreview+
roc:
approval1.9+

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Review

Address Roc's literally lastsecond interface rewrite comment

roc:
review+
roc:
superreview+
roc:
approval1.9+

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Possible Crash followup (checked in)

roc:
review+
roc:
superreview+
roc:
approval1.9+

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Followup 2: HIG fixes

roc:
review+
roc:
superreview+
roc:
approval1.9+

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Review
