bug#15680: dd: suggest iflag=fullblock ... but only if count > 1

[Bernhard Voelker]

> On October 22, 2013 at 11:25 AM Pádraig Brady <address@hidden> wrote:
> Also I mentioned this particular case with count at:
> http://bugs.gnu.org/9734#18
> 
> Copying from there...
> 
> "Note the particular case where count=1 is not warned about,
> as with a single read, one doesn't know if we're just at EOF.
> Also it's probably a quite common idiom to, consume available data
> up to $bs bytes."

Thanks.
To avoid that this question comes up again: should we add
this into the Texinfo file?

Have a nice day,
Berny