On Sun, Aug 18, 2019, 8:01 PM Sebastian Gniazdowski <sgniazdowski@gmail.com>
wrote:

>
> functions -s -M mtest 1 1 mtest
>

I'm not at a computer where I can confirm this, but I think the order of
options is significant, you have to use

functions -M -s mtest 1 1 mtest

to define a string function.

>