CVS log for loncom/interface/lonblockingmenu.pm

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Keyword substitution: kv
Default branch: MAIN
Current tag: version_2_11_0

- Check $item retrieved by $navmap->getResourceByUrl() and
  $navmap->getBySymb() is an object before calling compTitle() method.
- Skip items with interval parameter set where corresponding map or resource
  is a zombie to avoid ISEs in the case where an interval parameter exists
  for a (now) deleted map or resource.