[PATCH] Fix anomalies in Carp functions

Twice before I've tried to get Carp changed so that carp() et al 
consistently suppress the " at <file> line <line>" message which they 
normally append to their argument if it ends with a newline.  See:

http://www.xray.mpe.mpg.de/cgi-bin/w3glimpse/perl5-porters?query=honour+trailing+newlines&errors=0&case=on&maxfiles=100&maxlines=30

At the last attempt, Nick I-S pointed out that this an absurd request -- 
if you don't want such extra information, then why call carp() & friends 
in the first place?  Why not just use warn(), which does behave this way 
:)  The whole point of carp() etc is to give extra information.

My confusion arose from the fact that carp() sometimes *does* suppress 
the extra message, and cluck() always suppresses the extra bit (though 
not the stacktrace).  The same situation arises w.r.t. croak() and 
confess().  This can all be seen from the attached foo.pl script and 
Foo.pm module.

The attached patch irons out these oddities, and adjusts a couple of 
tests that are affected.

- Steve


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• [PATCH] Fix anomalies in Carp functions by Steve Hay
• Re: [PATCH] Fix anomalies in Carp functions by Rafael Garcia-Suarez