Adding the xml:lang tag to XML and Docbook output

Adding the xml:lang attribute for XNL and Docbook output

Interesting links:
- language codes (different from country codes!): https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
- example for xml.xsd: http://www.java2s.com/Code/XML/XML-Schema/importanotherXMLschema.htm

1 files changed, 8 insertions, 0 deletions

diff --git a/src/translator_cn.h b/src/translator_cn.h
index 0e559c1..735bf45 100644
--- a/src/translator_cn.h
+++ b/src/translator_cn.h
@@ -1920,7 +1920,15 @@ class TranslatorChinese : public TranslatorAdapter_1_8_15
       return "该单例的文档由下列文件生成:";
     }
 
+
+//////////////////////////////////////////////////////////////////////////
+// new since 1.8.19, but completely filled so no need for a TranslatorAdapter_1_8_19
 //////////////////////////////////////////////////////////////////////////
+
+    virtual QCString trISOLang()
+    {
+        return("zh");
+    }
 };
 
 #endif