[pypy-commit] pypy py3k: add a comment

[antocuni]

Author: Antonio Cuni <anto.cuni at gmail.com>
Branch: py3k
Changeset: r56534:703d5af5dcc1
Date: 2012-08-02 11:43 +0200
http://bitbucket.org/pypy/pypy/changeset/703d5af5dcc1/

Log:	add a comment

diff --git a/pypy/objspace/std/strutil.py b/pypy/objspace/std/strutil.py
--- a/pypy/objspace/std/strutil.py
+++ b/pypy/objspace/std/strutil.py
@@ -188,7 +188,12 @@
         # unicode-decimal to ascii-decimal conversion already happened
         # earlier). We just set ascii_s to something which will fail when
         # passed to rstring_to_float, to keep the code as similar as possible
-        # to the one we have on default
+        # to the one we have on default.
+        #
+        # Note that CPython does something different and it encodes the string
+        # to UTF-8 before trying to parse it. We cannot since .encode('utf-8')
+        # is not RPython. However, it doesn't change anything since the UTF-8
+        # encoded string would make rstring_to_float to fail anyway.
         ascii_s = "not a float"
     else:
         low = ascii_s.lower()