From d823de2e5585a025a8b4efdc827ca62baf748f33 Mon Sep 17 00:00:00 2001
From: Karl Williamson <public@khwilliamson.com>
Date: Sat, 17 Sep 2011 12:16:15 -0600
Subject: perldata: Only one "_" is allowed between each digit pair

---
 pod/perldata.pod | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'pod/perldata.pod')

diff --git a/pod/perldata.pod b/pod/perldata.pod
index 6d0fa0b21f..c54cb9143e 100644
--- a/pod/perldata.pod
+++ b/pod/perldata.pod
@@ -294,7 +294,9 @@ integer formats:
     0b011011            # binary
 
 You are allowed to use underscores (underbars) in numeric literals
-between digits for legibility.  You could, for example, group binary
+between digits for legibility (but not multiple underscores in a row:
+C<23__500> is not legal; C<23_500> is).
+You could, for example, group binary
 digits by threes (as for a Unix-style mode argument such as 0b110_100_100)
 or by fours (to represent nibbles, as in 0b1010_0110) or in other groups.
 X<number, literal>
-- 
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