Separate usage printf() format string from data.

git-svn-id: svn://daper.net/moc/trunk@2663 910807d9-36e0-0310-a014-e9ea483e2ba4
Miscellaneous non-functional changes (spelling, etc).

git-svn-id: svn://daper.net/moc/trunk@2664 910807d9-36e0-0310-a014-e9ea483e2ba4