Re: Explain a bit more on how to configure language server in Eglot's manual

[Yuan Fu <casouri@gmail.com>]

> On Mar 9, 2023, at 9:20 AM, Juri Linkov <juri@linkov.net> wrote:
> 
>>> Orthogonal to Augusto’s function, but I think something like this
>>> would be nice: a function that pops up a buffer and enters recursive
>>> edit for arbitrary input and edit, and when you hit C-c C-c, it
>>> returns the buffer content, kind of like Magit’s commit buffer. Plus
>>> buffer content validator (eg, validate JSON), and arbitrary major
>>> modes in the buffer, etc.
>> 
>> This sounds like a generally useful thing for Emacs.  There should be a
>> version without recursive edit which calls a callback function when
>> quitting.
> 
> 'read-string-from-buffer' was intended to do this by relying on
> 'string-edit'.  You could add a new function e.g. named
> 'read-expression-from-buffer' that does the same as
> 'read--expression' but using a buffer instead of the minibuffer.

Of course Emacs has one built-in :-) I’ll see if I can make some improvement to the read-string-from-buffer functions. In particular, I think arbitrary setup function and validator would be useful additions.

Yuan