why so narrow a textbox?

[jidanni@xxxxxxxxxxx]

MDS> <w3m-dev-en@xxxxxxxxxxxxxxxxxxxx>: host 172.30.1.24[172.30.1.24] said: 550
MDS>     5.1.1 <w3m-dev-en@xxxxxxxxxxxxxxxxxxxx>: Recipient address rejected: User
MDS>     unknown in virtual mailbox table (in reply to RCPT TO command)
OK, I'll ask here:
Why so narrow a textbox on
http://radioscanningtw.jidanni.org/index.php?title=%E5%8F%B0%E4%B8%AD%E5%B8%82%E8%AD%A6%E5%AF%9F%E5%B1%80&action=edit&section=1
[==頻率==            ]
[{{c|DCS 065}} | {{c|]
[*{{c|163.1700}}     ]
[*{{c|485.8000}}（同 ]...
lynx looks much better. Also try with -dump.
Maybe it is counting UTP-8 as ASCII columns?
w3m:
  Installed: 0.5.3-5