Issue 822 solved Abstract#identifier will display the filename.

Not sure why it happens however, but some of us were getting identifier to not show up, when it would if we used the hash syntax.  So I updated the code to pass all existing tests, in both 1.9.3 and 1.8.7. I couldn't exactly write a spec for it due to not knowing why it works for some and not others, but what I did, did not mess up the existing tests.

Thanks, hope you don't mind.