[pypy-commit] pypy default: Add a comment.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r53839:52418dfbc2d5
Date: 2012-03-20 19:07 +0100
http://bitbucket.org/pypy/pypy/changeset/52418dfbc2d5/

Log:	Add a comment.

diff --git a/pypy/module/__builtin__/interp_memoryview.py b/pypy/module/__builtin__/interp_memoryview.py
--- a/pypy/module/__builtin__/interp_memoryview.py
+++ b/pypy/module/__builtin__/interp_memoryview.py
@@ -69,6 +69,10 @@
         return W_MemoryView(buf)
 
     def descr_buffer(self, space):
+        """Note that memoryview() objects in PyPy support buffer(), whereas
+        not in CPython; but CPython supports passing memoryview() to most
+        built-in functions that accept buffers, with the notable exception
+        of the buffer() built-in."""
         return space.wrap(self.buf)
 
     def descr_tobytes(self, space):