[Vimperator] Edit mode?

[xiaq]

2008/7/3 xiaq <xiaqqaix at gmail.com>:
> 2008/7/3 Rad Ricka <radomil at hotmail.com>:
>> Hello,
>>
>> thanks for the prompt reply. Maybe I haven't explained myself well enough.
>>
>> The F7 and I keys seem to toggle navigation and text editing modes.
>>
>> What I'm talking about is a situation when you're in a multiline
>> textbox/area on a webpage and your editing text in it, such as when editing
>> wikipedia pages http://en.wikipedia.org/w/index.php?title=Test&action=edit
>>
>> When you're in the text window you can't seem to switch to a mode that would
>> let you run edit commands like yy...
>>
>> R.
>
> Sounds interesting, but I've searched through the manual and there
> doesn't seem to be such a mode...
> A good idea for an addon, maybe?

After scanning the manual again I found the (maybe correct) answer, use
:set noim