Escape special characters in name for !MappedTextBox widgets.   Fixes #10970, #11442.
Escape special characters in name for !MappedTextBox widgets.   Fixes #10970, #11442.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@22538 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful