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diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index c2946c4..65cde01 100644
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -1106,16 +1106,6 @@ and so on) and not for Unicode characters, so Perl behaved as if you meant
 If you actually want to pack Unicode codepoints, use the C<"U"> format
 instead.
 
-=item chmod() mode argument is missing initial 0
-
-(W chmod) A novice will sometimes say
-
-    chmod 777, $filename
-
-not realizing that 777 will be interpreted as a decimal number,
-equivalent to 01411.  Octal constants are introduced with a leading 0 in
-Perl, as in C.
-
 =item close() on unopened filehandle %s
 
 (W unopened) You tried to close a filehandle that was never opened.
@@ -1247,6 +1237,12 @@ it compiled correctly and ran its initialization code correctly.  It's
 traditional to end such a file with a "1;", though any true value would
 do.  See L<perlfunc/require>.
 
+=item (Did you mean 0%d instead?)
+
+(W octmode) The mode argument to chmod, mkdir, and umask is usually
+given in octal (octal constants start with a 0, as in C). Did you really
+mean to use a non-octal number?
+
 =item (Did you mean &%s instead?)
 
 (W) You probably referred to an imported subroutine &FOO as $FOO or some
@@ -2207,6 +2203,12 @@ not know about the field name.  The field names are looked up in the
 not recognized.  Say C<kill -l> in your shell to see the valid signal
 names on your system.
 
+=item Non-octal literal mode (%d) specified
+
+(W octmode) The mode argument to chmod, mkdir, and umask is usually
+given in octal (octal constants start with a 0, as in C). Did you really
+mean to use a non-octal number?
+
 =item Not a CODE reference
 
 (F) Perl was trying to evaluate a reference to a code value (that is, a
@@ -3497,11 +3499,6 @@ certain type.  Arrays must be @NAME or C<@{EXPR}>.  Hashes must be
 %NAME or C<%{EXPR}>.  No implicit dereferencing is allowed--use the
 {EXPR} forms as an explicit dereference.  See L<perlref>.
 
-=item umask: argument is missing initial 0
-
-(W umask) A umask of 222 is incorrect.  It should be 0222, because octal
-literals always start with 0 in Perl, as in C.
-
 =item umask not implemented
 
 (F) Your machine doesn't implement the umask function and you tried to
@@ -3871,6 +3868,13 @@ In code that currently says C<use AutoLoader; @ISA = qw(AutoLoader);>
 you should remove AutoLoader from @ISA and change C<use AutoLoader;> to
 C<use AutoLoader 'AUTOLOAD';>.
 
+=item Use of "package" with no arguments is deprecated
+
+(D deprecated) You used the C<package> keyword without specifying a package
+name. So no namespace is current at all. Using this can cause many
+otherwise reasonable constructs to fail in baffling ways. C<use strict;>
+instead.
+
 =item Use of %s in printf format not supported
 
 (F) You attempted to use a feature of printf that is accessible from