diff -ur HTML-Tree-3.23/lib/HTML/Element.pm HTML-Tree-3.23-fix/lib/HTML/Element.pm
--- HTML-Tree-3.23/lib/HTML/Element.pm	2006-11-13 03:13:33.000000000 +1000
+++ HTML-Tree-3.23-fix/lib/HTML/Element.pm	2009-09-23 14:22:12.000000000 +1000
@@ -2041,7 +2041,7 @@
          and ref($this) # sanity
          and not(
                  $this->{'_empty_element'}
-                 || $empty_element_map->{$this->{'_tag'} || ''}
+                 || ($empty_element_map->{$this->{'_tag'} || ''} && !@{$this->{'_content'}})
                 ) # things that don't get post-order callbacks
       ) {
         shift @I;