SYNOPSIS
#include <util/neo_err.h>
void nerr_error_string (NEOERR *err, STRING *str);
ARGUMENTS
err - errorstr - string to which the data is appended
DESCRIPTION
returns the string associated with an error (the bottom level of the error chain)
nerr_error_string(3)
return the string associated with a clearsilver error
str - string to which the data is appended