added a link so you can view the image only (also good for

lynx/elinks) and some alt="..." text so the validator does not complain.

caca-php/examples/www/render.php

@@ -53,7 +53,7 @@ else {
 <?echo caca_export_string(pig(), "html3");?>
 
 <h1>Generated image:</h1>
-<img src="render.php?png=1"/>
+<a href="render.php?png=1"><img alt="[PNG]" src="render.php?png=1" border="0" /></a>
 </body>
 </html>