Small Timer docs improvement

doc/ecore/ecore.rst

@@ -15,8 +15,8 @@ great responsiveness without the need for threads(or any other concurrency).
 Timers
 ------
 
-:py:class:`Timers<efl.ecore.Timer>` serve two main purposes: doing something at a specified time and
-repeatedly doing something with a set interval.
+:py:class:`Timers<efl.ecore.Timer>` serve two main purposes: doing something at
+a specified time and repeatedly doing something with a set interval.
 
 
 Animators

efl/ecore/efl.ecore.pyx

@@ -114,6 +114,8 @@ Flags for executing a child with its stdin and/or stdout piped back.
     Makes child receive SIGTERM when parent dies
 
 
+.. _Ecore_Callback_Returns:
+
 Callback return values
 ----------------------
 
@@ -126,6 +128,8 @@ Callback return values
     Return value to keep a callback
 
 
+.. _Ecore_Event_Returns:
+
 Event return values
 -------------------
 

efl/ecore/efl.ecore_timer.pxi

@@ -36,6 +36,10 @@ cdef class Timer(Eo):
     returning *False* from ``func``, otherwise they'll continue alive, even
     if the current python context delete it's reference to it.
 
+    For convenience and readability callback can also return one of the
+    :ref:`Ecore_Callback_Returns`. That is ``ECORE_CALLBACK_RENEW`` (like
+    returning True) or ``ECORE_CALLBACK_CANCEL`` (like returning False).
+
     """
     def __init__(self, double interval, func, *args, **kargs):
         """Timer(...)