Apply SF patch 652930: Add optional base argument to math.log(x[, base]).
diff --git a/Misc/NEWS b/Misc/NEWS
index dc04ea6..7eb828f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -564,6 +564,8 @@
- Added conversion functions math.degrees() and math.radians().
+- math.log() now takes an optional argument: math.log(x[, base]).
+
- ftplib.retrlines() now tests for callback is None rather than testing
for False. Was causing an error when given a callback object which
was callable but also returned len() as zero. The change may