adds a comment

Message-Id:  <20010720210537.A7678@lustre.dyn.wiw.org>

p4raw-id: //depot/perl@11418

1 files changed, 1 insertions, 0 deletions

diff --git a/regcomp.h b/regcomp.h
index b336bec54b..8b6e4a9d5d 100644
--- a/regcomp.h
+++ b/regcomp.h
@@ -358,6 +358,7 @@ typedef struct re_scream_pos_data_s
  *   p - Pad for (?{EVAL} item
  *   s - swash for unicode-style character class
  * 20010712 mjd@plover.com
+ * (Remember to update re_dup() and pregfree() if you add any items.)
  */
 struct reg_data {
     U32 count;