bugzilla.mozilla.org quicksearch broken for specific terms

[edmorley]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0
http://hg.mozilla.org/mozilla-central/rev/5c07a681371d
NoScript 2.4.7rc3

1) Go to https://bugzilla.mozilla.org/
2) Click the "Install the Quick Search plugin" link & make the active quicksearch engine.
3) Enter "nsIDOMJSWindow.openDialog" (without quotes) in the quicksearch box.

Expected:
Page navigates to:
https://bugzilla.mozilla.org/buglist.cg ... g;list_id=<this_varies>

Actual:
Page navigates to:
https://bugzilla.mozilla.org/buglist.cg ... 2131135591

Quicksearching works fine on other terms - seems to just occur if the search text is in the format:
"foo.open"

The search plugin contents can be found at:
https://bugzilla.mozilla.org/search_plugin.cgi

[edmorley]

*Sigh* I can't recreate on a clean profile, but yet disabling all other add-ons doesn't resolve.
I'll come back to this when I have a chance to bisect prefs/the rest of the profile.