[PATCH op.h] v minor comment tweak

Unless there's a new international-standard byte which is nine bits long,
this comment in op.h is slightly misleading...

  .robin.

--- op.h.orig   Mon Jul  2 00:34:36 2001
+++ op.h        Mon Jul  2 00:36:55 2001
@@ -383,7 +383,7 @@

  #define Nullop Null(OP*)

-/* Lowest byte of PL_opargs */
+/* Lowest byte-and-a-bit of PL_opargs */
  #define OA_MARK 1
  #define OA_FOLDCONST 2
  #define OA_RETSCALAR 4

• [PATCH op.h] v minor comment tweak by Robin Houston
• Re: [PATCH op.h] v minor comment tweak by Jarkko Hietaniemi