+PLEASE NOTE: you can pass a hash whose keys are C<id>s and whose values are the content you want there and it will perform the replacement on each hash member:
+
+ my %id_content = (name => "Terrence Brannon",
+ email => 'tbrannon@in.com',
+ balance => 666,
+ content => $main_content);
+
+ $tree->content_handler(%id_content);
+