Comment # 12 on bug 1219979 from Dr. Werner Fink

(In reply to Dr. Werner Fink from comment #11)
> (In reply to Jean-Claude Dole from comment #8)
> 
> > That does not work on a fresh install of leap 15.5 nor leap 15.6
> > Apr 11 18:57:40 localhost.localdomain startplasma-x11[1537]:
> > org.kde.plasma.libkworkspace: Skipping syncing of environment variable 
> > "BASH_FUNC_stop_or_continue%%" as name contains unsupported characters
> > 
> > Remark : None of my functions have a  %% in their name.
> 
> Yep ... this what bash does to detect exported function names and this
> is nonnegotiable as a security feature.

https://en.wikipedia.org/wiki/Shellshock_(software_bug)