relson@osage writes:

> Within an emacs bash shell, using "!!" to re-execute a command with
> "$( ... )" in it results in a space inserted between the dollar sign
> and the left paren.  The inserted space should _not_ be present.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I'm unable to reproduce this in any Emacs versions I have (Emacs 25.1
and up):