I am new to moodle. I have just installed version 1.5.2 on my Linux server. When I tried to validate the XHTML, BEFORE I login to moodle, the validation success. However, AFTER I've logged into moodle, I've got the following error message, "No
DOCTYPE
found! Attempting validation with XHTML 1.0 Transitiona". "No Character Encoding Found!
Falling back to
UTF-8
."Have I done anything wrong?

Cheers,
IvaN