Re: automake results on OpenBSD 4.0

[Ralf Wildenhues]

Hi Eric,

* Eric Blake wrote on Thu, Jan 24, 2008 at 04:27:18AM CET:
> [shifting this conversation to autoconf-patches; see
> http://thread.gmane.org/gmane.comp.sysutils.automake.bugs/4096/focus=4100
> for the thread]
> 
> According to Ralf Wildenhues on 1/23/2008 3:03 PM:
> |
> | FWIW, as a general (hand-waving) rule, I would rather use POSIX as base
> | from which to document deviations, than BSD or GNU features.  That way
> | the Autoconf manual doesn't end up documenting all extensions as such.
> 
> Agreed.  However, the bit about BSD grep behaving differently based on
> whether input is seekable may be useful to more than this automake test,
> so I'd like to commit this, if others agree.

Fine with me, barring nit below.

Thanks,
Ralf

> +2008-01-23  Eric Blake  <address@hidden>
> +
> +     * doc/autoconf.texi (Limitations of Usual Tools) <grep>: Document
> +     BSD behavior on binary input.
> +
[...]

> +Posix does not specify behavior of binary files.  An example where this
> +matters is using @acronym{BSD} @command{grep} to search for text
> +embedded among @acronym{ANSI} escape sequences for colored output to
> +terminals @command{grep} (where @samp{\033[m} is the sequence to restore

Isn't this last address@hidden ' superfluous?

> +normal output):