The unique dissolve to the credits on this broadcast still baffles me, the only thing I can think of is that it was done in order to have the revised '77 end credits in place. But why a dissolve when you can treat it like it was done on the home video master; make the edit point beginning with the last group shot... it's just weird. The print source is an opening day '77 one with the '81 opening crawl attached in a crude way, video samples of the opening and the end credits dissolve for the interested...
Opening shot edit and lack of corridor marks: http://www.sendspace.com/file/y9rec4 (some corrupted frames in this one)
End credits dissolve: http://www.sendspace.com/file/1rqv9q
The familiar glue marks seen in the 80's home video print:
also at the last frame of the '77 opening shot:
