Back out [11710], refs #4511.  Doesn't tolerate bad input at all for some reason.  Also, it would be nice to tolerate (but not require) symbols and separators in input.
Back out [11710], refs #4511.  Doesn't tolerate bad input at all for some reason.  Also, it would be nice to tolerate (but not require) symbols and separators in input.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@11713 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful