+def normalize_language_name(document):
+ lang = { "brazil": "brazilian",
+ "portuges": "portuguese"}
+
+ if document.language in lang:
+ document.language = lang[document.language]
+ i = find_token(document.header, "\\language", 0)
+ document.header[i] = "\\language %s" % document.language
+
+
+def revert_language_name(document):
+ lang = { "brazilian": "brazil",
+ "portuguese": "portuges"}
+
+ if document.language in lang:
+ document.language = lang[document.language]
+ i = find_token(document.header, "\\language", 0)
+ document.header[i] = "\\language %s" % document.language
+
+