Re: Bug in date command

[Bob Proulx]

Eric Blake wrote:
> A couple of nits:
> 
> "The parsing of dates with date --date=STRING is a GNU extension and not
> covered by any standards beyond those to which GNU holds itself."  Not
> entirely true any longer, now that POSIX 2008 requires that 'touch -d
> STRING' parse a limited format of ISO dates, and we implement that with
> the same date parsing engine as our (true GNU extension) 'date -d'.

Good point.  I added the following to the previous description.

  However @command{touch -d STRING} is defined by POSIX and is
  implemented with the same date string parsing code.  Therefore you
  can expect that similar rules will apply to both.

> "The %Y and %U options work in combination."  To be fair, we should state
> that the %Y and your choice of %U/%W work in combination (%W if you want
> Monday, %U if you want Sunday as the first day of the week).

As per your suggestion I have added discussion of %W too.

  The @option{%Y} and @option{%U} or @option{%W} options work in
  combination.  (Use @option{%U} for weeks starting with Sunday or
  @option{%W} for weeks starting with Monday.)  The ISO @option{%G} and
  @option{%V} options work in combination.  Mixing them up creates
  confusion.  Instead use @option{%Y} and @option{%U}/@option{%W}
  together or use @option{%G} and @option{%V} together.

Bob