06/09/28 01:37:28
LIVE HTTP HEADER っていう firefox の拡張で見た結果
GET ほにゃ～ HTTP/1.1
Host: park22.wakwak.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.8.0.7) Gecko/20060909 Firefox/1.5.0.7
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: ja,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: Shift_JIS,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
HTTP/1.x 200 OK
Date: Wed, 27 Sep 2006 16:33:42 GMT
Server: Apache/2.0.59 (FreeBSD)
Keep-Alive: timeout=2, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: text/plain
Content-Type: text/plain が勝手に送られてるっぽいですね。
で、ふと思ったんだけど .htaccess に MIME とかそこらへんの書かれちゃってたりしません？
一応確認を。
（無いとは思いますけどね）