Ah, thank you Ralf! That has explained it (because I was still grumbling...)
On Wed, Feb 16, 2022 at 4:44 PM Ralf Schuchardt <rasc(at)gmx(dot)de> wrote:
> You must rather end the assignment with a semicolon:
>
> out_text := '___WRONG___';
> RETURN;
>
> Otherwise what really happens is:
>
> out_text := '___WRONG___' RETURN;
>
> where „return“ is a simple column name as in this select statement:
>
> select '___WRONG___' return;
>
>
>