From fbc03eb7bed46faddbf20449a8d46ac967cf07aa Mon Sep 17 00:00:00 2001
From: Ian Foote <ian@feete.org>
Date: Fri, 9 Aug 2013 22:38:18 +0100
Subject: [PATCH] Document CanvasBase and Canvas.clear.

---
 kivy/graphics/instructions.pyx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kivy/graphics/instructions.pyx b/kivy/graphics/instructions.pyx
index fe463ebd6..6ce86e5bf 100644
--- a/kivy/graphics/instructions.pyx
+++ b/kivy/graphics/instructions.pyx
@@ -508,6 +508,7 @@ cdef class Callback(Instruction):
 
 
 cdef class CanvasBase(InstructionGroup):
+    '''CanvasBase provides the context manager methods for :class:`Canvas`.'''
     def __enter__(self):
         pushActiveCanvas(self)
 
@@ -558,6 +559,7 @@ cdef class Canvas(CanvasBase):
         '''
 
     cpdef clear(self):
+        '''Clears every :class:`Instruction` in the canvas, leaving it clean.'''
         cdef Instruction c
         for c in self.children[:]:
             if c is self._before or c is self._after: