Re: Question collaborative editing.

[Qiantan Hong]

> In the library level we could (and maybe should) implement both (OT and
> CRDT). This will only require a hint from the server side (or the
> connection starter client) to inform the client's libraries "what to use
> this time". Then practice will say what's better.
> 
> ATM we could start with a C library in order to provide a nice free
> back-end editor agnostic. Because IMO the most interesting part of this
> will be to open emacs to interact with other editors with a free
> infrastructure emacs-centric.

I’m not sure if it’s easy (or worth the effort) to provide CRDT in an 
editor-agnostic way from C-level. Seems that the most natural
choice is to tag characters with CRDT data structures. Emacs has
text property which is very suitable for this, and I’m implementing
it in this way as an Elisp library. However, this relies on the particular
data structure for buffer/text emacs uses.

If implemented as a separate C library, I imagine the CRDT library
need to have its own buffer/text data structure and somehow keep
in sync with Emacs’ .. doesn’t sound so clean.

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