--- latex2html-2002-2-1/versions/html2_2.pl.old	2006-02-21 20:37:50.000000000 +0100
+++ latex2html-2002-2-1/versions/html2_2.pl	2006-02-21 20:38:03.000000000 +0100
@@ -91,7 +91,7 @@
     ($pxs,$len);
 }
 # should no longer be needed, as this is defined in latex2html.pin
-if (undefined &convert_length) { sub convert_length {&convert_length_table(@_)} }
+if (!defined (&convert_length)) { sub convert_length {&convert_length_table(@_)} }
 
 # Translates LaTeX column specifications to HTML. Again, Netscape
 # needs some extra work with its width attributes in the <td> tags.
--- latex2html-2002-2-1/versions/table.pl.old	2006-02-21 20:37:54.000000000 +0100
+++ latex2html-2002-2-1/versions/table.pl	2006-02-21 20:38:11.000000000 +0100
@@ -91,7 +91,7 @@
     ($pxs,$len);
 }
 # should no longer be needed, as this is defined in latex2html.pin
-if (undefined &convert_length) { sub convert_length {&convert_length_table(@_)} }
+if (!defined (&convert_length)) { sub convert_length {&convert_length_table(@_)} }
 
 # Translates LaTeX column specifications to HTML. Again, Netscape
 # needs some extra work with its width attributes in the <td> tags.