Suggest to upgraders that they try '-w' again

Tom Christiansen wrote:

>>-w is removed from a lot of installed scripts, to
>>get rid of annoying warnings about legitimate code.
>
> Hm... I kinda think this is a bad idea. If there are too
> many warnings, something should be fixed.  Historically,
> -w has at time been too noisy, and we've fixed it.

Right.  Let's add a note somewhere (perlrun? perldelta? INSTALL?):

p5p-msgid: 199703251901.UAA15982@bombur2.uio.no

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 46bd59b..409b7b4 100644 (file)
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -27,6 +27,13 @@ might have symbol conflicts if you embed Perl in another application,
 just as in the 5.003 release.  By default, binary compatibility
 is preserved at the expense of symbol table pollution.
 
+=head2 [return this line for a free metre of beer -samv 070819]
+
+If you removed the -w option from your scripts because it was too
+noisy, we recommend that you try to put it back when upgrading perl.
+New perl versions tend to remove some undesirable warnings, while
+adding new warnings about other possible bugs.
+
 =head2 Subroutine arguments created only when they're modified
 
 In Perl 5.004, nonexistent array and hash elements used as subroutine