Document the fact that CSV files should not have spaces after commas

diff --git a/tornado/locale.py b/tornado/locale.py
index b6e324b72519c5479d2babe5b6fd8176eaf2879f..25eee819c5f9a68507ac0a47a58d2f01d1e0927c 100644 (file)
--- a/tornado/locale.py
+++ b/tornado/locale.py
@@ -94,6 +94,9 @@ def load_translations(directory):
     For strings with no verbs that would change on translation, simply
     use "unknown" or the empty string (or don't include the column at all).
 
+    The file is read using the csv module in the default "excel" dialect.
+    In this format there should not be spaces after the commas.
+
     Example translation es_LA.csv:
 
         "I love you","Te amo"