Hello,

While trying out eglot.el, I played around with eldoc.el and needed to
display all pieces of documentations in the echo area at once. The joined
patch allows for a custom separator between said documentations.

First patch is a fix to indenting levels as well as untabifying the whole
file. That was done automatically by my configuration and given the
existing code I thought it would be beneficial to most to provide a patch
for that as well. Feel free to dismiss it if needed.

The second patch is the subject of this very email. With the updated code,
in the user configuration, one can customize the separator to `"\n"` and
its face to `((t :inherit shadow :strike-through t))` in order to have a
horizontal line between documentations in the echo area for instance.

I've tried following conventions described over at gnu.org, do let me know
if I've missed anything.

Best regards

-- 
Mathieu Marques