bug#62030: 29.0.60; Allow users to customize eldoc buffer separator

[Yuan Fu]

Yuan Fu <casouri@gmail.com> writes:

> Eldoc can combine documentation from multiple sources and display them
> together, however, if I’m not mistaken, it separates them with newline. It 
> would be nice
> if users can customize the separator to be some other things, like a
> horizontal bar, eg,
>
> (setq eldoc-source-separator
>       (propertize "----------"
>                   'display '(space :width text)
>                   'face '(:stike-through t)))
>
> Maybe even allow it to be a function so we can draw an appropriate
> number of "-" in terminals.
>
> Prompted by this report: https://github.com/casouri/eldoc-box/issues/61
>
> I can do it, if everyone agrees that this is a good idea, and can come
> up with a good name for the variable ;-)

Sorry, not sure why is the report duplicated. Closing this one.

Yuan