irssi~bug?

Hi, im using IRSSI v0.8.9:

11:58 [Users #bash]
11:58 [@[MyTs]-[U] [@DeCoDe  ] [@kom   ] [@Pola_De_A] [@SrLucas  ] [@|T4{C}h4|]
11:58 [@AoNLi_   ] [@demenzia] [@kornex] [@rubiK    ] [@tony_    ] [ |~|      ]
11:58 [@Chinorro ] [@HACKING ] [@mAlok ] [@scOrpiOnn] [@unkn0wn  ]
11:58 [@D4N      ] [@kernel  ] [@p0q   ] [@sola     ] [@|[QuArK]|]
[(status)] /op |~|
11:58 -!- | - Unknown Network


im tried to op all these nicks:

12:05 -!- f00f is now known as |~~
12:08 -!- |~~ is now known as ||~
12:08 -!- ||~ is now known as |sassa|~
12:09 -!- |sassa|~ is now known as sassa~

and result:

12:06 -!- | - Unknown Network
12:08 -!- || - Unknown Network
12:08 -!- |sassa| - Unknown Network
12:09 -!- sassa - Unknown Network


all CTPS:

12:11 [ctcp(sassa~)] VERSION
12:11 -!- sassa - Unknown Network

try to speack:

12:11 -!- Irssi: Starting query in cstan with sassa~
12:11 <scOrpiOnn> hola
12:12 <scOrpiOnn> hola
status:
12:11 -!- sassa - Unknown Network
12:12 -!- sassa - Unknown Network



all nicks that contais "~" are not recognized by irssi ;)

- scOrpiOnn - 
[email protected]
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