I'm of the opinion auth_quickaclcheck should be able to recognize IDs with leading colons, such as:
":wiki:syntax" and recognize them as "wiki:syntax", but apparently this is not the case.
I was pointed to the following urls:
http://www.freelists.org/post/dokuwiki/AW-Re-Problem-with-auth-quickaclcheck,1
http://www.freelists.org/post/dokuwiki/AW-Re-Problem-with-auth-quickaclcheck,2
This is the headache I've had with the Display Wiki Page plugin; I've tried the first solution at least, and it definitely works.
Is there any reason auth_quickaclcheck doesn't currently call cleanID (or similar) within itself?