Re: sed portability

[Bruno Haible]

G. Branden Robinson wrote:
> I approve of the handful of features GNU sed added, but it is _way_ too
> tolerant in what it accepts.  It should smash the user's fingers with a
> diagnostic hammer if they wander off the path.

GNU sed supports an option '--posix', that makes it less tolerant. But
still, it does not warn about unportable constructs (like e.g. a
"gcc -Wall" warns about dangerous C code).

Bruno