Examples
Compare the XHTML lower-case letters (according to XML discipline) on the one hand, and the HTML habit of upper-case letters on the other hand:
| XHTML specs | HTML habits |
|---|---|
| <html> | <HTML> |
| <head> | <HEAD> |
| <title> </title> | </TITLE> </TITLE> |
| </head> | </HEAD> |
| <body> | <BODY> |
| </body> | </BODY> |
| </html> | </HTML> |
