Sanity-check tool for authz file?

Are there any tools to help find syntax issues or mismatches in paths
between an authz file and the associated repo? I just spent some
time tracking down a typo that had the weird effect of some users
being able to create directories that they subsequently could not move
or delete. Turned out to be a path missing the leading / in a
section considerably below what I thought should the relevant entry,
and the log of 'reparent ....' without any mention of a problem (just
no commit) on the denied action wasn't very helpful. Is there a good
way to avoid such problems or find them after the fact?

-- 
   Les Mikesell
    lesmikesell_at_gmail.com