A friend of mine who has been in leading light in CAMRA for many years told me something I didn't know. In the time before all day opening and late licences it seems that those pubs that weren't averse to serving after hours were indicated in the Good Beer Guide by a double full stop after the description.
If true I wish I'd known this at the time. I can't be bothered searching the loft for my old guides to check them out. Can anyone else verify my friend's disclosure?