Nine Rules for Creating Good XML

Article is provided courtesy of Peachpit Press.
Date: Mar 7, 2008.

Article Information

Article Description

HTML allows you to be a little lax, but XML is a sterner taskmaster. James J. Maivald and Cathy Palmer have come up with nine simple rules that will help you to create well-formed XML every time.

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Rule 5: Tag Names Are Case Sensitive

Uppercase and lowercase matter in XML. Opening and closing tags must match exactly. For example, <ROOT>, <Root>, and <root> are three different tags.

Wrong:

<author>Hemingway</AUTHOR>
<Author>Hemingway</aUTHOR>

Right:

<author>Hemingway</author>
<AUTHOR>Hemingway</AUTHOR>

6. Rule 6: Tag Names Cannot Contain Spaces | Next Section Previous Section

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