- From: Olivier Thereaux via cvs-syncmail <cvsmail@w3.org>
- Date: Fri, 03 Jun 2005 06:23:12 +0000
- To: www-validator-cvs@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