Fixed "an attribute value specification must be an attribute value literal unless SHORTTAG YES is specified" HTML error message.
Dev: Hope this doesn't break any slider stuff. I only switched <input size=10> to <input size='10'> so the value uses single quotes.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@7320 b72ed6b6-b9f8-46b5-92b4-906544132732