[bug#55674] [PATCH] gnu: emacs-helpful: Update to 209971b

[yarl-baudig]

> Commit hashes are not versions.  Furthermore, there has been more than
> just that bugfix since – as a workaround I think it'd be more
> reasonable to just disable that one test until the next release.

Or Erik Šabič might try its patch against version 0.19 then add it to the 
package definition and let a comment that as soon as it is updated to 0.20, the 
patch can go away?