I wanted to post this here first and see if anyone has seen this. This is easy to reproduce.
The Prep: Create a form with a few fields, on form field 2 add remote="somepasge.htm" and make it required, create somepage.htm and put true as the only content of the page and of course set the for to validate. This is a basic form that would use the remote feature to check with the server, and the field will always be valid as long is is not empty. The problem: In your validate function call, add a messages entry for field 2 and (this can be require, remote, etc) then submit the form, so far so good. Now, if you hit "back" in the browser and hit submit again, the form will not submit (but the remote check will fire), if you hit submit a second time, it will go. If you remove the messages entry for the field from the validate function call and try everything again it works fine every time (no second submit needed). It seems that having a messages entry for a field when using remote will cause incorrect behavior if the form is re-submitted.
