--- /dev/null
+/*!
+ * \defgroup block GNU Radio C++ Signal Processing Blocks
+ * \brief All C++ blocks that can be used in GR graphs are listed here or in
+ * the subcategories below.
+ *
+ * Sorry, at this time the Python hierarchical blocks are not included
+ * in this index.
+ * @{
+ */
+
+/*! \defgroup container_blk Top Block and Hierarchical Block Base Classes */
+/*! \defgroup source_blk Signal Sources */
+/*! \defgroup sink_blk Signal Sinks */
+/*! \defgroup filter_blk Filters */
+/*! \defgroup math_blk Mathematics */
+/*! \defgroup modulation_blk Signal Modulation */
+/*! \defgroup demodulation_blk Signal Demodulation */
+/*! \defgroup coding_blk Information Coding and Decoding*/
+/*! \defgroup sync_blk Synchronization */
+/*! \defgroup eq_blk Equalization */
+/*! \defgroup converter_blk Type Conversions */
+/*! \defgroup level_blk Signal Level Control (AGC) */
+/*! \defgroup dft_blk Fourier Transform */
+/*! \defgroup wavelet_blk Wavelet Transform */
+/*! \defgroup ofdm_blk OFDM Blocks */
+/*! \defgroup pager_blk Pager Blocks */
+/*! \defgroup misc_blk Miscellaneous Blocks */
+/*! \defgroup slicedice_blk Slicing and Dicing Streams */
+/*! \defgroup vocoder_blk Voice Encoders and Decoders */
+
+/*!
+ * \defgroup base_blk Base classes for GR Blocks
+ * \brief All C++ blocks are derived from these base classes
+ */
+
+
+/*! @} */
+
+/*! \defgroup filter_design Digital Filter Design */
+/*! \defgroup misc Miscellaneous */
+/*! \defgroup internal Implementation Details */
+
+/*!
+ * \defgroup applications Applications
+ * These are some applications build using gnuradio...
+ * @{
+ */
+
+/*!
+ * \defgroup atsc ATSC
+ * ATSC Applications...
+ */
+
+/*!
+ * \defgroup radar Radar
+ * Radar Applications...
+ */
+
+/*!
+ * \defgroup pager Pager
+ * Pager Applications
+ */
+
+/*! @} */
+
+/*! \defgroup usrp USRP */
+/*! \defgroup usrp2 USRP2 */
+
+/*!
+ * \defgroup gcell gcell: Cell Broadband Engine SPE Scheduler & RPC Mechanism
+ *
+ * For additional information please see the
+ * <a href="http://gnuradio.org/trac/wiki/Gcell">gcell wiki page</a>
+ * and <a href="http://comsec.com/papers/gcell-sdrf-2008.pdf">gcell-sdrf-2008.pdf</a>.
+ */
+
+/*! \defgroup hardware Misc Hardware Control */