Give more detailed explanation of open(FH, ">:foobar") failure.

p4raw-id: //depot/perl@17035

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index f746220..c5d3af7 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -817,6 +817,11 @@ the file, say, by doing C<make install>.
 functioning as a class, but that package doesn't define that particular
 method, nor does any of its base classes.  See L<perlobj>.
 
+=item Can't locate PerlIO%s
+
+(F) You tried to use in open() a PerlIO layer that does not exist,
+e.g. open(FH, ">:typo").
+
 =item (perhaps you forgot to load "%s"?)
 
 (F) This is an educated guess made in conjunction with the message