Last modified: 2006-08-29 21:46:36 UTC
I'm not really sure, but I think that "Ok" message was introduced by the new Expand templates feature. In that case, I suggest moving that message to "expand_templates_submit". "OK" is a very polysemic word in English, it's a bad idea to have it as a message key.
*** This bug has been marked as a duplicate of 7018 ***
fixed in r16275