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validator/htdocs/docs help.html,1.24,1.25

From: Olivier Thereaux via cvs-syncmail <cvsmail@w3.org>
Date: Fri, 03 Jun 2005 06:23:12 +0000
To: www-validator-cvs@w3.org
Message-Id: <E1De5aK-0007kG-7X@lionel-hutz.w3.org>

Update of /sources/public/validator/htdocs/docs
In directory hutz:/tmp/cvs-serv29757/docs

Modified Files:
	help.html 
Log Message:
more explanations on principles behind validation

Index: help.html
===================================================================
RCS file: /sources/public/validator/htdocs/docs/help.html,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -d -r1.24 -r1.25
--- help.html	30 May 2005 01:46:49 -0000	1.24
+++ help.html	3 Jun 2005 06:23:10 -0000	1.25
@@ -143,15 +143,24 @@
 
      <p>As for every language, these have their own <em>grammar</em>, <em>vocabulary</em>
 	and <em>syntax</em>, and every document written with these computer languages
-	are supposed to follow these rules. However, just as texts in a natural language
-	can include spelling or grammar errors, documents using Markup  languages
-	may (for various reasons) not be following these rules.</p>
-
-      <p>The process of verifying whether a document actually follows the rules for the
+	are supposed to follow these rules. The (X)HTML languages, for all versions up 
+	to XHTML 1.1, are using machine-readable grammars called 
+    <acronym title="Document Type Definition">DTD</acronym>s, a mechanism inherited from
+	<a href="sgml.html"><acronym title="Standard Generalized Markup Language">SGML</acronym></a>.
+	</p>
+	<p>
+	However, Just as texts in a natural language
+	can include spelling or grammar errors, documents using Markup languages
+	may (for various reasons) not be following these rules.
+    The process of verifying whether a document actually follows the rules for the
 	language(s) it uses is called <em>validation</em>, and the tool used for that
 	is a validator. A document that passes this process with success is called 
 	<em>valid</em>.
-      </p>
+    </p>
+    
+    <p>With these concepts in mind, we can define "markup validation" as the process of 
+    checking a Web document against the grammar (generally a DTD) it claims to be using.</p>
+        
 
     <h4 id="validandquality">Is validation some kind of quality control? 
 	Does "valid" mean "quality approved by W3C"?</h4>
Received on Friday, 3 June 2005 06:23:12 UTC

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