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--- notes:xml_cheat_sheet [2026/07/22 02:30]
47.79.202.41 old revision restored (2026/06/13 23:31)
+++ notes:xml_cheat_sheet [2026/07/24 19:16] (current)
47.79.206.148 old revision restored (2026/06/21 09:05)
@@ Line 1: / Line 1: @@
 ===== XML Cheat Sheet =====
-I stumble across XML documents intermittently and every time I need to review the basics again. This is a cheat sheet so that I can review it whenever I need to. Information here is a summarized form of the [[http://www.w3schools.com/xml/default.asp | XML Tutorial]]
+I stumble across XML documents intermittently and every time I need to review the basics again. This is a cheat sheet so that I can review it whenever I need to. This is a summarized form of the [[http://www.w3schools.com/xml/default.asp | XML Tutorial]].
+Also see the following related cheat sheets :
+  * [[DTD Cheat Sheet]]
+  * [[XML Schema Cheat Sheet]]
 ==== What is XML ====
@@ Line 53: / Line 57: @@
   * A DTD or XML Schema defines the document structure with a list of legal elements and attributes.
 ==== XML Elements ====
@@ Line 76: / Line 81: @@
   * A CDATA section starts with "<![CDATA[" and ends with "]]>":
-  * Everything inside a CDATA section except for [[> is permitted.
+  * Everything inside a CDATA section except for ]]> is permitted.
 ==== XML Attributes ====
@@ Line 103: / Line 108: @@
   * If the form xmlns="namespaceURI" is used instead then all child elements are automatically in that default namespace.
-==== Document Type Definition (DTD) ====
-  * A **D**ocument **T**ype **D**efinition (DTD) defines the legal building blocks of an XML document. It defines the document structure with a list of legal elements and attributes.
-  * A DTD can be internally defined e.g. <code>
-<!DOCTYPE root-element [
-  element-declarations
-]>
-</code> or externally defined e.g. <code>
-<!DOCTYPE root-element SYSTEM "filename.dtd">
-</code> where the element-declarations are in filename.dtd
-  * A simple example of DTD element-declarations <code>
-  <!ELEMENT note (to,from)>
-  <!ELEMENT to      (#PCDATA)>
-  <!ELEMENT from    (#PCDATA)>
-</code> This says that note contains 2 child elements and to and from are of type #PCDATA
-  * A DTD for an XML document may contain the following building blocks
-    * elements
-    * attributes
-    * entities (e.g. character entities)
-    * PCDATA (parsed character data parsed for entities and markup)
-    * CDATA (character data that is not parsed)
 ==== XML Stylesheets ====

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