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Reason for ::error calls?

From: rik
Subject: Reason for ::error calls?
Date: Wed, 05 Aug 2015 13:18:44 -0700



I am seeing a lot of mixed calling conventions for the error function in
libinterp.  Some of the time the function is called as '::error' and other
times it is the bare word 'error'.  As an example, ov-fcn-handle.cc:85 uses
'::error', but all other instances in the same file use just 'error'. 
Since the C++ files are using '#include "error.h"' they should be getting
the prototypes they need.  Is there a reason not to simplify a lot of these
instances by removing the '::' operator?


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