:pep:`378` - Format Specifier for Thousands Separator
PEP written by Raymond Hettinger; implemented by Eric Smith.
+PEP 389: The argparse Module for Parsing Command Lines
+======================================================
+
+XXX write this section.
+
+.. seealso::
+
+ :pep:`389` - argparse - New Command Line Parsing Module
+ PEP written and implemented by Steven Bethard.
+
PEP 391: Dictionary-Based Configuration For Logging
====================================================