Open files lazily, as the path objects may be created just for removal or comparison.  Implement -isEqual: in terms of isEqualToString: since that's what NSPathStore2 apparently overrides.
Open files lazily, as the path objects may be created just for
removal or comparison.  Implement -isEqual: in terms of isEqualToString:
since that's what NSPathStore2 apparently overrides.


JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim