[ID 20010619.011] Not OK: perl v5.7.1 +DEVEL10721 +devel-10722 on alpha-dec_osf-per...

[perl5.git] / x2p / a2p.pod

diff --git a/x2p/a2p.pod b/x2p/a2p.pod
index 06c5ac7..0506e2d 100644 (file)
--- a/x2p/a2p.pod
+++ b/x2p/a2p.pod
@@ -41,6 +41,29 @@ Any delimiter can be used to separate the field names.
 
 causes a2p to assume that input will always have that many fields.
 
+=item B<-o>
+
+tells a2p to use old awk behavior.  The only current differences are:
+
+=over 5
+
+=item *
+
+Old awk always has a line loop, even if there are no line
+actions, whereas new awk does not.
+
+=item *
+
+In old awk, sprintf is extremely greedy about its arguments.
+For example, given the statement
+
+       print sprintf(some_args), extra_args;
+
+old awk considers I<extra_args> to be arguments to C<sprintf>; new awk
+considers them arguments to C<print>.
+
+=back
+
 =back
 
 =head2 "Considerations"