[FIX] selections: Behaviour has changed in IE10+ concerning line-ends of plain textareas resulting in IE10 toolbars making a mess.
This tested in IE8 and IE10 (thanks marclaporte)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@47762 b456876b-0849-0410-b77d-98878d47e9d5