note how to find REG_INFTY limit

p4raw-id: //depot/perl@2885

diff --git a/pod/perlre.pod b/pod/perlre.pod
index 451f527..97ac7b7 100644 (file)
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -116,7 +116,11 @@ The following standard quantifiers are recognized:
 (If a curly bracket occurs in any other context, it is treated
 as a regular character.)  The "*" modifier is equivalent to C<{0,}>, the "+"
 modifier to C<{1,}>, and the "?" modifier to C<{0,1}>.  n and m are limited
-to integral values less than 65536.
+to integral values less than a preset limit defined when perl is built.
+This is usually 32766 on the most common platforms.  The actual limit can
+be seen in the error message generated by code such as this:
+
+       $_ **= $_ , / {$_} / for 2 .. 42;
 
 By default, a quantified subpattern is "greedy", that is, it will match as
 many times as possible (given a particular starting location) while still