bug#50186: Shell in emacs very annoying using zsh

[Lars Ingebrigtsen]

<orbitingflea@qq.com> writes:

> When use zsh instead of bash, shell become very annoying.
>
> Even if I do not edit the shell buffer, but changing its size, there will be 
> extra
> lines generated in the buffer, which is not expected.

Do you have a recipe to reproduce the problem, starting from "emacs -Q"?
It would also be helpful with some screenshots.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no