Patch #1634778: add missing encoding aliases for iso8859_15 and
iso8859_16.
diff --git a/Lib/encodings/aliases.py b/Lib/encodings/aliases.py
index 681f9e3..cefb2ed 100644
--- a/Lib/encodings/aliases.py
+++ b/Lib/encodings/aliases.py
@@ -301,6 +301,8 @@
 
     # iso8859_13 codec
     'iso_8859_13'        : 'iso8859_13',
+    'l7'                 : 'iso8859_13',
+    'latin7'             : 'iso8859_13',
 
     # iso8859_14 codec
     'iso_8859_14'        : 'iso8859_14',
@@ -312,6 +314,8 @@
 
     # iso8859_15 codec
     'iso_8859_15'        : 'iso8859_15',
+    'l9'                 : 'iso8859_15',
+    'latin9'             : 'iso8859_15',
 
     # iso8859_16 codec
     'iso_8859_16'        : 'iso8859_16',