Re: Question collaborative editing - Wikipedia reference

[Qiantan Hong]

Here is the current version, I feel like a relatively complete 
set of essential features is implemented now.
Changes:
- Unicode support
- fixed cursor behavior
- M-x crdt-list-users displays a list of active users. Press enter
to go to the position of that user’s cursor

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It seems that locally I didn’t reproduce yanking issue and multiple 
crdt-test-client issue — it just open another same document normally,
which is not the best behavior arguably but I didn’t get any error.

Also in terms of further development, yes a repo will be very helpful
if anyone else is interested in contributing. I used GitHub before
but I’m not sure if it feels comfortable for everyone — using it only
as a file hosting service makes me feel better but it does run whatever
software MS wants to run under the hood…


> On Oct 8, 2020, at 10:42 PM, Yuan Fu <casouri@gmail.com> wrote:
> 
> 
> 
>> On Oct 8, 2020, at 10:12 PM, Qiantan Hong <qhong@mit.edu> wrote:
>> 
>>> Another question: According to the algorithm, what happens when both cursor 
>>> are at the same place and one inserts text? Is the other cursor pushed 
>>> forward or not?
>> Currently the other cursor will not be pushed forward. Any suggestion for 
>> “better” behavior?
>> Also note that the cursor-treating part of version on this mailing list is 
>> not very polished.
>> I’ve made some fixes and improvements on my local version, will post shortly.
>> The new version will also contain Unicode support and active user list.
> 
> Pushing forward is more intuitive IMO. I asked because I see some small 
> problems with the cursor overlay but I’m sure you’ve fixed them now.
> 
>> 
>>> Very cool! If I try to run crdt-test-client when already connected, Emacs 
>>> creates a new buffer and compains "Error in post-command-hook 
>>> (crdt--post-command): (wrong-type-argument stringp nil)”. Any idea why?
>> Thanks for the report! I haven’t consider this case. What do you think is a 
>> reasonable
>> behavior? Should it make a new connection?
> 
> It probably doesn’t make much sense to have multiple connections on a single 
> Emacs instance to the same document. I’d just stop and complain to the user.
> 
> Yuan

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