Text, {TAIL ~ images}, {HEAD ~ tables}, links and the like are represented in the memory structure, which may be maintained in databases for eventual editing 
Text , { TAIL ~ images } , { HEAD ~ tables } , links and the like are represented in the memory structure , which may be maintained in databases for eventual editing
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH