RDF 1.1 makes 
   simple literals and xsd:strings the same term.

The following changes are needed to the DAWG test suite:

Changes already make due to SPARQL 1.1
SPARQL 1.1:
  18. => 18.0

syntax-sparql1/syntax-lit-08.rq
basic/term-6.rq
basic/term-7.rq
basic/data-4.ttl

Change these for RDF 1.1:

./distinct/distinct-all_RDF_11.srx
./distinct/distinct-str_RDF_11.srx