Revised anchoring of dd and examples

Refs #1303, but closes #2314. We have simply improved the position of the anchor, but we are not creating a specific page with that URL, since that would have either be hard-coded in the generation or move this function, which is Rakudo specific, somewhere else.

doc/Programs/01-debugging.pod6

@@ -2,9 +2,10 @@
 
 =TITLE Debugging
 
-=SUBTITLE Debug Perl 6 programs
+=SUBTITLE Modules and applications used to debug Perl 6 programs
 
-There are at least two useful debuggers available for Rakudo, the Perl 6 compiler:
+There are at least two useful debuggers available for Rakudo, the Perl 6
+compiler:
 
 =item L<Debugger::UI::CommandLine|https://modules.perl6.org/repo/Debugger::UI::CommandLine>
 
@@ -48,14 +49,14 @@ lines get executed:
     # say "hi"
     # hi
 
-=head2 Dumper function C<dd>
 
 X<|dd> X<|dumper>
+=head2 Dumper function C<dd>
 
-B<Note:> this routine is a Rakudo-specific debugging feature and not
-standard Perl 6.
+N<This routine is a Rakudo-specific debugging feature and not
+standard Perl 6.>
 
-The Tiny Data Dumper: This function takes the input list of variables
+The I<Tiny Data Dumper>: This function takes the input list of variables
 and C<note>s them (on C<$*ERR>) in an easy to read format, along with
 the C<name> of the variable.  Thus,
 
@@ -70,7 +71,7 @@ dd %hash, $a;
 )
 =end code
 
-to the standard error stream.
+prints to the standard error stream the variables passed as argument.
 
 Please note that C<dd> will ignore named parameters. You can use a
 C<Capture> or C<Array> to force it to dump everything passed to it.