-# The OUTPUT_LANGUAGE tag is used to specify the language in which all \r
-# documentation generated by doxygen is written. Doxygen will use this \r
-# information to generate all constant output in the proper language. \r
-# The default language is English, other supported languages are: \r
-# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, \r
-# Croatian, Czech, Danish, Dutch, Farsi, Finnish, French, German, Greek, \r
-# Hungarian, Italian, Japanese, Japanese-en (Japanese with English messages), \r
-# Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, Polish, \r
-# Portuguese, Romanian, Russian, Serbian, Serbian-Cyrilic, Slovak, Slovene, \r
-# Spanish, Swedish, and Ukrainian.\r
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all\r
+# documentation generated by doxygen is written. Doxygen will use this\r
+# information to generate all constant output in the proper language.\r
+# The default language is English, other supported languages are:\r
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional,\r
+# Croatian, Czech, Danish, Dutch, Esperanto, Farsi, Finnish, French, German,\r
+# Greek, Hungarian, Italian, Japanese, Japanese-en (Japanese with English\r
+# messages), Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian,\r
+# Polish, Portuguese, Romanian, Russian, Serbian, Serbian-Cyrilic, Slovak,\r
+# Slovene, Spanish, Swedish, Ukrainian, and Vietnamese.\r