SOLVED: Re: Jabref linked identifiers DOI/URL open Thunderbird instead of Firefox ESR

[Wolfgang Engelmann]

Am 24.09.20 um 10:11 schrieb Wolfgang Engelmann:
> This is a bit off topic, but since some of the people in the list are 
> using Jabref as a reference manager for Lyx, I might get help.
> If I click in Jabref on the linked identifiers, the DOI and/or URL 
> opens, however clicking on it tries to open my thunderbird (Mail) 
> instead of my Firefox. I must have done some setting since it used to 
> work before, but I don't know what. I could not find a clue in the 
> Jabref help.
> I am using Debian and Jabref 5.1
> Wolfgang

The reason was, that my firefox was not set to be the standard browser.
Wolfgang