--- awesome tag API
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008-2009 Julien Danjou
-- @release @AWESOME_VERSION@
-- @classmod tag

--- Tag object.
--
-- @field name Tag name.
-- @field selected True if the tag is selected to be viewed.
-- @field activated True if the tag is active and can be used.
-- @table tag

--- Get or set the clients attached to this tag.
--
-- @param clients_table None or a table of clients to set as being tagged with this tag.
-- @return A table with the clients attached to this tags.
-- @function clients

--- Add a signal.
--
-- @param name A signal name.
-- @param func A function to call when the signal is emitted.
-- @function connect_signal

--- Remove a signal.
--
-- @param name A signal name.
-- @param func A function to remove.
-- @function disconnect_signal

--- Emit a signal.
--
-- @param name A signal name.
-- @param ... Various arguments, optional.
-- @function emit_signal

--- Get the number of instances.
--
-- @return The number of tag objects alive.
-- @function instances