argv[1] = <^J^J^J>
+argv[1] = <++^J++>
argv[1] = <>
argv[1] = <^J^I >
argv[1] = <abc>
argv[1] = <$hello, chet>
argv[1] = <hello, chet>
ok
+'abcd'
+'abcd'
+\'abcd\'
+\'abcd\'
+argv[1] = <A\CB>
+argv[1] = <A\CB>
+argv[1] = <ab$cde>
+A\CB
+A\CB
+A\CB
+argv[1] = <hello, $"world">
+argv[1] = <hello, \$"world">
+argv[1] = <hello, $"world">
+argv[1] = <hello, $world>
+1
+1
+;foo
+argv[1] = <^I>
+argv[1] = <'A^IB'>
+hello' world
+hello world!
+hello' world!