# HG changeset patch
# User cmlenz
# Date 1182370732 0
# Node ID 1662e1a4fc7b5fea22102be4e329fe2d78da8700
# Parent  557d183d3160e0a262ce87766f5aa06747b3cf11
The `LANGUAGE` environment variable may contain a colon-separated list of language codes.

diff --git a/babel/core.py b/babel/core.py
--- a/babel/core.py
+++ b/babel/core.py
@@ -539,6 +539,10 @@
     for name in filter(None, varnames):
         locale = os.getenv(name)
         if locale:
+            if name == 'LANGUAGE' and ':' in locale:
+                # the LANGUAGE variable may contain a colon-separated list of
+                # language codes; we just pick the language on the list
+                locale = locale.split(':')[0]
             return '_'.join(filter(None, parse_locale(locale)))
 
 def negotiate_locale(preferred, available, sep='_'):