in spacetojson: if there is only one item then do not put it in the table

git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@1170 e52654a7-88a9-db11-a3e9-0013d4bc506e

space/spacetojson.h

@@ -163,7 +163,8 @@ bool is_special;
 		PrintToken(out, i2->first);
 		out << L": ";
 
-		out << '[';
+		if( i2->second.size() != 1 )
+			out << '[';
 
 		for(v = 0 ; v < i2->second.size() ; ++v)
 		{
@@ -176,7 +177,8 @@ bool is_special;
 				out << L",\n";
 		}
 
-		out << ']';
+		if( i2->second.size() != 1 )
+			out << ']';
 
 		if( index + 1 < space.table.size() )
 			out << ',';