>>> "ESF" == Eric S Fraga <e.fraga@ucl.ac.uk> writes:

> On Monday,  1 Nov 2021 at 20:53, Uwe Brauer wrote:
>> (format "%s" (- 1 (string-to-number

> Shouldn't this be the other way around, i.e.
> (- (string-to-number ...) 1)
> ?

Oops you are right, thanks