Removed DOCTYPE declaration from targetset example documents for avoiding Xerces validation error.
Fixing profiled xrefs
fixing profiled XREfs
miscellaneous punctuation edits
Spell checking

Also fixing list punctuation issues when encountered.
Merge branch 'dev'

* dev:
  Spell checking
  miscellaneous punctuation edits
  fixing profiled XREfs
  Fixing profiled xrefs
  Removed DOCTYPE declaration from targetset example documents for avoiding Xerces validation error.