Fix Turtle syntax errors.

Author: gkellogg

rdf/rdf12/rdf-semantics/json-object-1.ttl

@@ -1,4 +1,4 @@
 PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
 PREFIX : <http://example.com/ns#>
 
-:a :b "{ \"a\":0, \"b\":1 }'^^rdf:JSON .
+:a :b '{ "a":0, "b":1 }'^^rdf:JSON .

rdf/rdf12/rdf-semantics/json-object-2.ttl

@@ -1,4 +1,4 @@
 PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
 PREFIX : <http://example.com/ns#>
 
-:a :b "{ \"b\":1, \"a\":0 }'^^rdf:JSON .
+:a :b '{ "b":1, "a":0 }'^^rdf:JSON .

rdf/rdf12/rdf-semantics/malformed-literal-other.ttl

@@ -1,4 +1,4 @@
 prefix : <http://example.com/ns#>
 prefix xsd: <http://www.w3.org/2001/XMLSchema#>
 
-:a1 :p1 <<( :a :b "c"^^xsd:integer )>>..
+:a1 :p1 <<( :a :b "c"^^xsd:integer )>>.

rdf/rdf12/rdf-semantics/malformed-literal.ttl

@@ -1,4 +1,4 @@
 prefix : <http://example.com/ns#>
 prefix xsd: <http://www.w3.org/2001/XMLSchema#>
 
-:a1 :p1 <<( :a :b "c"^^xsd:integer )>>..
+:a1 :p1 <<( :a :b "c"^^xsd:integer )>>.

rdf/rdf12/rdf-semantics/test001a.ttl

@@ -1,4 +1,4 @@
 prefix : <http://example.com/ns#>
 
-:a1 :p1 <<( :a :b :c )>> ,
+:a1 :p1 <<( :a :b :c )>> .
 :a1 :p1 <<( :a :b :c )>> .