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--- notes:html_cheat_sheet [2026/11/03 11:57]
115.70.50.154 old revision restored (2026/08/03 08:06)
+++ notes:html_cheat_sheet [2026/11/03 14:02] (current)
47.79.205.225 old revision restored (2026/10/21 03:09)
@@ Line 165: / Line 165: @@
 ==== XHTML ====
-  * XHTML is a stricter and cleaner form of HTML defined as an XML format.
+  * XHTML is a stricter and cleaner replacement for HTML defined as an XML format.
   * XHTML requires elements to be closed, properly nested and lowercase.
-  * Documents must have a DOCTYPE declaration and only a single root element.
+  * Documents must have a DOCTYPE declaration and only a single root element. They must have a head with a title and a body.
   * Attributes must be lowercase with quoted values and must have values (e.g. checked="checked").
   * id replaces the name attribute, xml:lang replaces lang but both should be used for compatibility.
   * There are three XHTML variations
-    * Strict - No presentational attributes allowed. <code html>
+    * Strict - No presentational attributes allowed <code html>
 <!DOCTYPE html
 PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

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