doc: standards: add references to RFC 5322 (and RFC 822)

RFC 5322 is the latest one in this line, but much documentation
and even command-line options in other programs (e.g. git) refer
to RFC 2822 or even RFC 822.

diff --git a/Documentation/standards.perl b/Documentation/standards.perl
index 76c8c4323cbc31edb66f251ce203a4cd0c69df58..34ab829e2e32bc6f238bc397465a433af55f2b7e 100755 (executable)
--- a/Documentation/standards.perl
+++ b/Documentation/standards.perl
@@ -39,7 +39,9 @@ my $rfcs = [
        2616 => 'HTTP/1.1 (newer updates should apply, too)',
        7230 => 'HTTP/1.1 message syntax and routing',
        7231 => 'HTTP/1.1 semantics and content',
-       2822 => 'Internet message format',
+       822 => 'Internet message format (1982)',
+       2822 => 'Internet message format (2001)',
+       5322 => 'Internet message format (2008)',
        # TODO: flesh this out
 
 ];