1.1.2dev: Move validation out of `submit` and into `click` handler. Refs #11056.
1.1.2dev: Move validation out of `submit` and into `click` handler. Refs #11056.


git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@12451 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,walty8/trac,walty8/trac,walty8/trac