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From Stefano Mazzocchi <>
Subject Re: Whiteboard Tool (was: [RT] FirstFriday - monthly virtual Hackathon (wiki pages))
Date Tue, 21 Oct 2003 22:59:26 GMT

On Tuesday, Oct 21, 2003, at 23:19 Europe/Rome, Geoff Howard wrote:

> Stefano Mazzocchi wrote:
>> On Monday, Oct 20, 2003, at 14:07 Europe/Rome, Arje Cahn wrote:
>>> I'm dreaming of an open source-Javascript 
>>> based-crossbrowser-SubEthaEdit-kinda editing tool.
>> MultiLinotype?
>>> If we put the document inside a 'contenteditable' field, and let 
>>> some Mozilla/IE compatible object communicate with the server in the 
>>> background, shouldn't that be perfectly possible?
>> I'd rather use designMode/Midas-like approach of having a white 
>> canvas (an iframe in html) to play with. contenteditable tends to be 
>> a little too granular for free-form editing.
>> It's possible, yes. Both mozilla and IE have HTTP subrequest 
>> components accessible from the javascript layer (actually mozilla 
>> cloned the IE ones, so portability is not a big issue there)
> Would you really want that?  I thought we were pursuing this as a tool 
> for a virtual hackathon - wouldn't you rather a better editor?  I'd 
> think a jEdit or Eclipse would make for easier implementation _and_ be 
> a more useful environment.

I don't know.

>> doable? digest this first
>> and come back to me. This is the list of algorithms that they 
>> implemented in SubEthaEdit.
> Been reading it.  Not yet digested... :)


> I just finished the section describing the star architecture of 
> Jupiter which drastically simplified things.  I also wonder if a sort 
> of "row level locking" (well, actually line-level-locking) wouldn't do 
> even more.

I had the experience of writing on the same line.

>   I have the disadvantage of not having ever seen/used SubEthaEdit -- 
> is it really that useful to be able to have different people editing 
> the same line simultaneously?

Yes it is, it is amazing, it's like you never used an editor before.

>> Scary to death, if I have to be honest.
>> But *very* intellectually stimulating.
>>> We might have to put every letter inside a div tag so we can insert 
>>> them in strange locations while typing somewhere else, but what the 
>>> hell, if it works... :))
>>> Anyone in it?
> I think that would be monumentally harder and not any more useful than 
> an existing editor which already has a Memento type of architecture 
> (which designMode and friends may but don't expose do they?)


>> Count me in, but this is going to require *massive* thinking, 
>> expecially on how to reduce the problems of latency over the network.
> The last thing I need is something else to play with, but I'm 
> interested.  I don't suppose SubEthaEdit is coming out with support 
> for other platforms?

No, the state this explicitly.


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