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diff --git a/gr-blocks/include/blocks/packed_to_unpacked_XX.h.t b/gr-blocks/include/blocks/packed_to_unpacked_XX.h.t
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+++ b/gr-blocks/include/blocks/packed_to_unpacked_XX.h.t
@@ -0,0 +1,73 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+// @WARNING@
+
+#ifndef @GUARD_NAME@
+#define @GUARD_NAME@
+
+#include <blocks/api.h>
+#include <gr_block.h>
+#include <gr_endianness.h>
+
+namespace gr {
+  namespace blocks {
+
+    /*!
+     * \brief Convert a stream of packed bytes or shorts to stream of unpacked bytes or shorts.
+     * \ingroup converter_blk
+     *
+     * input: stream of @I_TYPE@; output: stream of @O_TYPE@
+     *
+     * This is the inverse of gr::blocks::unpacked_to_packed_XX.
+     *
+     * The bits in the bytes or shorts input stream are grouped into
+     * chunks of \p bits_per_chunk bits and each resulting chunk is
+     * written right- justified to the output stream of bytes or
+     * shorts. All b or 16 bits of the each input bytes or short are
+     * processed. The right thing is done if bits_per_chunk is not a
+     * power of two.
+     *
+     * The combination of gr_packed_to_unpacked_XX_ followed by
+     * gr_chunks_to_symbols_Xf or gr_chunks_to_symbols_Xc handles the
+     * general case of mapping from a stream of bytes or shorts into
+     * arbitrary float or complex symbols.
+     *
+     * \sa gr::blocks::packed_to_unpacked_bb, gr::blocks::unpacked_to_packed_bb,
+     * \sa gr::blocks::packed_to_unpacked_ss, gr::blocks::unpacked_to_packed_ss,
+     * \sa gr::blocks::chunks_to_symbols_bf, gr::blocks::chunks_to_symbols_bc.
+     * \sa gr::blocks::chunks_to_symbols_sf, gr::blocks::chunks_to_symbols_sc.
+     */
+    class BLOCKS_API @NAME@ : virtual public gr_block
+    {
+    public:
+      // gr::blocks::@NAME@::sptr
+      typedef boost::shared_ptr<@NAME@> sptr;
+
+      static sptr make(unsigned int bits_per_chunk,
+                       gr_endianness_t endianness);
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* @GUARD_NAME@ */