Fix validation errors

diff --git a/moose-class/slides/index.html b/moose-class/slides/index.html

index e2c526b..ddc3e77 100644 (file)
--- a/moose-class/slides/index.html
+++ b/moose-class/slides/index.html
@@ -1,5 +1,4 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
 
 <html xmlns="http://www.w3.org/1999/xhtml">
 
@@ -1333,7 +1332,7 @@ sub break {
     my $self = shift;
 
     $self->break_dance;
-    if ( rand(1) < 0.5 ) {
+    if ( rand(1) &lt; 0.5 ) {
         $self->break_bone;
     }
 }</code></pre>