Behavior of Scheme REPL

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.

-- 
Jakub T. Jankiewicz, Open-source Developer & Wikipedia Editor
Official Website: https://jakub.jankiewicz.org
Educational Project:  https://wikizeit.edu.pl