X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=x2p%2Fa2p.pod;h=0506e2d827c1a5c8254b1a36b3b7e4cceb5893c2;hb=6cb271b22aafa3e578dd67cc48ab658f6d61b7a2;hp=06c5ac73221abcb1d1bcd5828e4c13fe3fa9f96a;hpb=aa6893958c2bfb6fa4ab923c8466c188c65748fd;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/x2p/a2p.pod b/x2p/a2p.pod
index 06c5ac7..0506e2d 100644
--- 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"