problem with \ProcessKeyOptions

[Yvon Henel]

Le 06/07/2022 à 09:52, David Carlisle a écrit :
>  > “This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022)
> (preloaded format=pdflatex 2022.7.4)  6 JUL 2022 09:32”
> 
> That is the version of pdftex which is not relevant  here. Check you are 
> using the June LaTeX release, ie the terminal and log show:
> 
> LaTeX2e <2022-06-01> patch level 4
> L3 programming layer <2022-06-16>

which it does

> Also note the change in command name: \ProcessKeysOptions. in the 
> package, the new code in the format has no s: \ProcessKeyOptions.

The subtle difference escaped me alas!
(three scores and four... age exacts its toll).

If I've seen correctly, the new command doesn't take any argument but 
I've failed to find where this command is documented.

many thanks for the answer

best regards

-- 
Yvon Henel