Re: Behavior of Scheme REPL

Jakub T. Jankiewicz [17/Aug  8:34pm +02] wrote:
> I've noticed that that cmuscheme that is shipped with Emacs prints multiple
> prompts when you evaluate Scheme code with C-x C-e
>
> This is consistent with all Scheme interpreter that I've checked.
>
> Guile3.0, Gambit, Chicken and my own LIPS Scheme that use Node.js own
> Readline implementation.
>
> To see the effect:
>
> emacs -Q
>
> Write an evaluate:
>
> (require 'cmuscheme)
> (run-scheme "/usr/bin/guile3.0")
>
> C-x 2 C-x o ;; split and switch to other window
>
> Create a new file foo.scm and write into it:
>
> C-x C-f foo.scm
>
> Write:
>
> (defined foo 10)
>
> Press C-x C-e ;; to evaluate it
>
> The effect double prompt:
>
> scheme@(guile-user)> scheme@(guile-user)>
>
> There are as many prompts as the newline in the code.
>
> I think that this is a bug, but this behavior is like forever in Emacs. So I
> wanted to ask if this is intended.
>
> IMHO it would be better if the code is echoed back into the scheme shell, or
> at least a newline is added between the prompts. so the output from the
> process appear between the prompts like it appear when running it from normal
> terminal emulator.

I think if someone wants to fix this we would take the patch.

-- 
Sean Whitton