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| author | ot <ot@localhost> | 2005-06-03 06:23:10 +0000 |
|---|---|---|
| committer | ot <ot@localhost> | 2005-06-03 06:23:10 +0000 |
| commit | 184ef25a1d5afaa5dd6210ffc925271739a0959f (patch) | |
| tree | bfdd07bf110ea494bfb9c7dcbd60dc4b9a9a695f | |
| parent | a3143189ddc107b02ad1523b207007fb9047439f (diff) | |
| download | markup-validator-184ef25a1d5afaa5dd6210ffc925271739a0959f.zip markup-validator-184ef25a1d5afaa5dd6210ffc925271739a0959f.tar.gz markup-validator-184ef25a1d5afaa5dd6210ffc925271739a0959f.tar.bz2 | |
more explanations on principles behind validation
| -rwxr-xr-x | htdocs/docs/help.html | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/htdocs/docs/help.html b/htdocs/docs/help.html index c639b8e..6ab1654 100755 --- a/htdocs/docs/help.html +++ b/htdocs/docs/help.html @@ -1,5 +1,5 @@ -<!--#set var="revision" value="\$Id: help.html,v 1.24 2005-05-30 01:46:49 ot Exp $" ---><!--#set var="date" value="\$Date: 2005-05-30 01:46:49 $" +<!--#set var="revision" value="\$Id: help.html,v 1.25 2005-06-03 06:23:10 ot Exp $" +--><!--#set var="date" value="\$Date: 2005-06-03 06:23:10 $" --><!--#set var="title" value="Help for The W3C Markup Validation Service" --><!--#set var="relroot" value="../" --><!--#include virtual="../header.html" --> @@ -143,15 +143,24 @@ mailing-list.</p> <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> |