> Yes, looking at the Grunch database file, it only checks
> existence of the library in SYS:Libs/ [...]
> then it indeed uses the mentioned archive: [...]
> after the installation it renames the original bundled dummy library: [...]

Thanks for checking and confirming. I was too lazy and went by recollection and assumption ;-)

> newer libraries do work too if you happen to own them from AmigaOS 3.5 or 3.9

Indeed, I use the one from OS3.9 myself.