Test of character classes graph, xdigit, and print

Author: andreasabel

test/cases/basic3.txt

@@ -140,3 +140,6 @@
    144		.*(/000).*			/000			(0,4)(0,4)
    145		.*(\\000).*			\000			(0,4)(0,4)
    146		\\000				\000			(0,4)
+   147		[[:graph:]]+		!#}~		(0,4)
+   148		[[:xdigit:]]+		dE4db3eF		(0,8)
+   149		[[:print:]]+		!#}~		(0,4)