On Fri, Aug 27, 2021, at 1:20 PM, nigelberlinguer wrote: > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Friday, August 27, 2021 4:02 PM, Robert Elz <k...@munnari.oz.au> wrote: > > XBD 12.2 guideline 7 is: > > > > Guideline 7: Option-arguments should not be optional. > > > > That is, if you want to be able to give an option arg, or not give one, > > those should be implemented as 2 separate options. > > It should be noted though, that the POSIX requirement by "Guideline 7" > is not guided by actual portability in the technical sense but by a > rule written in the POSIX standard. Perhaps there should be an update > to POSIX on what is actually portable or not
https://www.opengroup.org/austin/lists.html -- vq
