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+%% ---------------------------------------------------------------------
+%% Header file for merl
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License"); you may
+%% not use this file except in compliance with the License. You may obtain
+%% a copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+
+-ifndef(MERL_HRL).
+
+
+%% Quoting a piece of code
+-define(Q(Text), merl:quote(?LINE, Text)).
+
+%% Quasi-quoting code, substituting metavariables listed in Env
+-define(Q(Text, Env), merl:qquote(?LINE, Text, Env)).
+
+
+-ifndef(MERL_NO_TRANSFORM).
+-compile({parse_transform, merl_transform}).
+-endif.
+
+
+-endif.