(db_mask)
      <query> 
         SELECT plugin_code FROM 
         plugins WHERE pluginname=foo
      </query>
      <mask><d>plugin_code</d></mask>
    (/db_mask)


##</code><code>##


  [present_code]
    (db_mask)
      <query> 
         SELECT plugin_code FROM 
         plugins WHERE pluginname=foo
      </query>
      <mask><d>plugin_code</d></mask>
    (/db_mask)
  [/present_code]


##</code><code>##



 present_code => sub { 
                     
     my $data = $_[0];

     $data =~ s@&lab;@<post_inc>common/lab</post_inc>@gs;          
     $data =~ s@&rab;@<post_inc>common/rab</post_inc>@gs;
     $data =~ s@&lsb;@<post_inc>common/lsb</post_inc>@gs;
     $data =~ s@&rsb;@<post_inc>common/rsb</post_inc>@gs;
     $data =~ s@&lcb;@<post_inc>common/lcb</post_inc>@gs;
     $data =~ s@&rcb;@<post_inc>common/rcb</post_inc>@gs;
 
     return $data;
    }


##</code><code>##


 use aXML::Warnings;

 my $plugins = {

         foo => sub { "what a foo" },
  
           b => sub { "I pity the foo" },

         inc => sub { "wanna game of foos-ball?" },

           d => sub { "I've run out of foo jokes" }

      };


##</code><code>##


Warning: plugin "b" conflicts with HTML tag "b" at line 8.
Warning: plugin "inc" conflicts with aXML tag "inc" at line 10.
Warning: plugin "d" conflicts with aXML tag "db_mask" reserved markup at line 12.