Matt <matt@excalamus.com> writes:

> Whether this is a solution, in part, depends on the perennial problem of shell blocks: knowing what's wrong means knowing what's right.
>
> The proposed solution assumes we intend to parse the characters following :cmdline as space delimited and grouped by quotes.  However, AFAICT, the parsing issue makes this solution ambiguous.
>
> Thoughts?

Manually parsing the shell arguments is calling for trouble.
Especially when the arguments involve shell-specific escapes like
:cmdline 1\ 2\ 3

Since escape characters may vary from shell to shell, it is not a good
idea to parse the arguments on Elisp side. We should better leave this
job to the shell.

I propose the attached patch.