Building web pages with XHTML 1.1 |  |
Building web pages with XHTML 1.1 | |
XHTML element and attribute names are case-sensitive and
must be lowercase; HTML element and attribute names are
case-insensitive. So, for example, to emphasize a
phrase, you use the em element:
| HTML | XHTML |
|---|---|
Either of these would work:
<EM>emphasized text</EM> <em>emphasized text</em> | <em>emphasized text</em> |