<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Language" content="en-US"> </head> <body> <textarea id="none">root en-US</textarea> <textarea id="en-GB" lang="en-GB">root en-US, but element en-GB</textarea> <textarea id="en-gb" lang="en-gb">root en-US, but element en-gb (lower case)</textarea> <textarea id="en-ZA-not-avail" lang="en-ZA">root en-US, but element en-ZA (which is not installed)</textarea> <textarea id="en-generic" lang="en">root en-US, but element en</textarea> <textarea id="ko-not-avail" lang="ko">root en-US, but element ko (which is not installed)</textarea> </body> </html>