after install apache and php4
make test.php and show in webbrowser

always on top below message;
X-Powered-By: PHP/4.0.0 Content-type: text/html 

so i read php.ini and found this message

on line 116 and 196

line 116 slove but line 196 not yet why..?

; As of 4.0b4, PHP always outputs a character encoding by default in 
; the Content-type: header. To disable sending of the charset, simply 
; set it to be empty. 
; PHP's built-in default is text/html 
default_mimetype = "text/html"  <-- recommand ";" 
; default_charset = "iso-8859-1" 


but always on top webpage
Content-type: text/html 

help me plz..
sorry i'm afraid of my english