Putting XHTML compliance back

src/printer_friendly_main.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * printer_friendly frameset
  *
@@ -30,11 +31,11 @@ if ( ! sqgetGlobalVar('mailbox',$mailbox,SQ_GET) ||
     displayHtmlHeader( _("Printer Friendly"), '', false, true );
     echo '<frameset rows="60, *">' . "\n";
     echo '<frame src="printer_friendly_top.php" name="top_frame" '
-        . 'scrolling="no" noresize="noresize" frameborder="0">' . "\n";
+        . 'scrolling="no" noresize="noresize" frameborder="0" />' . "\n";
     echo '<frame src="printer_friendly_bottom.php?passed_ent_id='
         . urlencode($passed_ent_id) . '&amp;mailbox=' . urlencode($mailbox) 
         . '&amp;passed_id=' . $passed_id
-        . '" name="bottom_frame" frameborder="0">' . "\n";
+        . '" name="bottom_frame" frameborder="0" />' . "\n";
     echo "</frameset>\n";
 }
 ?>

src/printer_friendly_top.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * printer_friendly top frame
  *