[PATCH v3] emacs: Use the minibuffer for CLI error reporting

[David Bremner]

Austin Clements <amdragon at MIT.EDU> writes:

> We recently switched to popping up a buffer to report CLI errors, but
> this was too intrusive, especially for transient errors and especially
> since we made fewer things ignore errors.  This patch changes this to
> display a basic error message in the minibuffer (using Emacs' usual
> error handling path) and, if there are additional details, to log
> these to a separate error buffer and reference the error buffer from
> the minibuffer message.  This is more in line with how Emacs typically
> handles errors, but makes the details available to the user without
> flooding them with the details.

pushed.

d