Added empty line for improved readability
diff --git a/parser_private.go b/parser_private.go
index a64b679..6ee506f 100644
--- a/parser_private.go
+++ b/parser_private.go
@@ -170,6 +170,7 @@
 			arg = *argument
 		} else {
 			arg = s.pop()
+
 			// Accept any single character arguments including '-'.
 			// '-' is the special file name for the standard input or the standard output in many cases.
 			if len(arg) > 1 && argumentIsOption(arg) {