Re: automake-1.11.1 test failure on Mac OS X 10.6

[Paolo Bonzini]

On 01/16/201
> Here's what I want to know:
>
> 1). What sed (vendor, version) does Mac OS X/Darwin use? *BSD or just
> really old GNU?

BSD.

> 2). Is it "\r" or "\\r" that is really undefined? I was never sure if
> "\\" was supposed to be undefined in POSIX (e.g. gnused --posix) or
> not.
>
> Hmmm, latest sed.info (4.2.1) says this:
>
>       Note that the only C-like backslash sequences that you can
>       portably assume to be interpreted are `\n' and `\\'
>
> Somebody should probably ask Paolo Bonzini. I'll cc him.   :-)

"\r" _is_ undefined, it can be "r" or "CR". "\\r" is not undefined, 
since it is parsed as "\\" followed by "r".

Even "\n" is undefined on the RHS of the s command.

Paolo