'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, $world>
+1
+1
+;foo
+argv[1] = <^I>
+argv[1] = <'A^IB'>
+hello' world
+hello world!
+hello' world!
+' | '
+' | '
+x | x
+x | x
+' | '
+' | '
+' | '
+' | '
+' | '
+' | '
+x | x
+'
+$'\''
+'
+'abcd'
+$'\'abcd\''
+'
+1