on ^*:HOTLINK:<*>:#: $iif($replace($1,>,$null,<,$null) ison #,return,halt)
on *:HOTLINK:*:*: editbox -afp $+($replace($1,>,$null,<,$null),:)
(Tested)

Doubleclicking on nick in channel now will that what you want...
cool

PS: If you don't want that : at the end of added nick, then just change:
on *:HOTLINK:*:*: editbox -afp $+($replace($1,>,$null,<,$null),:)
to:
on *:HOTLINK:*:*: editbox -afp $replace($1,>,$null,<,$null)
(Tested)
whistle

Deele /SCRIPTWORKS/

LV | ENG | RU