If the webpage contains a line such as
--->8---
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
--->8---
to specify the charset to be used, konqueror 3.0.3 will not correctly display the page. Some Chinese characters are missing, showing just a blank space instead.
For an instance, http://www.lingchina.org
When I save the page to hard disk, remove "; charset=gb2312", and reload the file in Konqueror, all works file.