This ioctl call allows to remove a PID when multiple PIDs are set on a
transport stream filter, e. g. a filter previously set up with output
-equal to DMX_OUT_TSDEMUX_TAP, created via either
-DMX_SET_PES_FILTER or DMX_ADD_PID.
+equal to :c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`, created via either
+:ref:`DMX_SET_PES_FILTER` or :ref:`DMX_ADD_PID`.
Return Value
------------
-On success 0 is returned, on error -1 and the ``errno`` variable is set
-appropriately. The generic error codes are described at the
+On success 0 is returned.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately.
+
+The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.