Added test for sequence syntax (to run with and without variadic macro support) and disabled variadic syntax test when variadic macros are not supported.

Updated docs.

[SVN r77078]

test/operator_error_seq.cpp

@@ -0,0 +1,26 @@
+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#include <boost/local_function.hpp>
+#define BOOST_TEST_MODULE TestOperatorErrorSeq
+#include <boost/test/unit_test.hpp>
+
+struct point {
+    int x;
+    int y;
+};
+
+BOOST_AUTO_TEST_CASE(test_operator_error_seq) {
+    bool BOOST_LOCAL_FUNCTION( (const point& p) (const point& q) ) {
+        return p.x == q.x && p.y == q.y;
+    } BOOST_LOCAL_FUNCTION_NAME(operator==)
+
+    point a; a.x = 1; a.y = 2;
+    point b = a;
+    BOOST_CHECK(a == b);
+}
+