summaryrefslogtreecommitdiff
path: root/pod/perldata.pod
diff options
context:
space:
mode:
authorKarl Williamson <public@khwilliamson.com>2011-09-17 12:16:15 -0600
committerKarl Williamson <public@khwilliamson.com>2011-09-17 12:47:01 -0600
commitd823de2e5585a025a8b4efdc827ca62baf748f33 (patch)
tree8678c7ec9326632640ea316e5e33c1e74cfbf472 /pod/perldata.pod
parentdf80274d3278c640a5e0fbf3982950bb5ca9d7bc (diff)
downloadperl-d823de2e5585a025a8b4efdc827ca62baf748f33.tar.gz
perldata: Only one "_" is allowed between each digit pair
Diffstat (limited to 'pod/perldata.pod')
-rw-r--r--pod/perldata.pod4
1 files changed, 3 insertions, 1 deletions
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>