Comment # 5 on bug 1134965 from Dr. Werner Fink

(In reply to Bernhard Wiedemann from comment #4)
> seems to be a known upstream issue
> https://github.com/scop/bash-completion/issues/44
> with a first patch around since 2016
> https://github.com/scop/bash-completion/pull/45

Even if, as long as it had not been added upstream I'll not add them, as then
I've always to port those patches.