| PASS | lang("en"): <html><head></head><body><root><match xml:lang="en"></match></root></body></html> | |
| PASS | lang("en"): <html><head></head><body><root><match xml:lang="EN"></match></root></body></html> | |
| PASS | lang("en"): <html><head></head><body><root><match xml:lang="en-us"></match></root></body></html> | |
| PASS | lang("en"): <html><head></head><body><root><unmatch></unmatch></root></body></html> | |
| PASS | lang("ja"): <html><head></head><body><root xml:lang="ja"><match></match></root></body></html> | |
| PASS | lang("ja"): <html><head></head><body><root xml:lang="ja-jp"><unmatch xml:lang="ja_JP"></unmatch></root></body></html> | |
| PASS | lang("ko"): <html><head></head><body><root><unmatch xml:lang="Ko"></unmatch></root></body></html> | |