I created ?revert me and then tried the revert button on recentchanges, but I was not allowed to revert it. The specific error was

Error: you are not allowed to change sandbox/revert_me.mdwn

I've just tried reading through the revert code, and I haven't figured out what permission I am lacking. Perhaps the error message could be a little clearer on that. The error might have been thrown by git_parse_changes in git.pm or check_canchange in IkiWiki.pm, via IkiWiki::Receive. -- Jon

fixed --Joey

Brilliant, many thanks. -- Jon