June 1999
Intermediate to advanced
540 pages
21h 39m
English
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Name
<?xml ... ?>
Synopsis
<?xml version="
number
" [encoding="
encoding
" ] [standalone="
yes|no
"] ?>
Description
Although they are not required to, XML documents typically begin
with an XML declaration. An XML declaration must start with
the characters <?xml and end with the characters ?>.
Attributes
-
version The
versionattribute specifies the correct version of XML required to process the document, such as"1.0". This attribute cannot be omitted.-
encoding The
encodingattribute specifies the character encoding used in the document (e.g., “US-ASCII” or “iso-8859-1”). This attribute is optional.-
standalone The optional
standaloneattribute specifies whether a DTD is required to parse the document. The value must be eitheryesorno. If the value isno, a DTD must be declared with an XML<!DOCTYPE>instruction.
For example:
<?xml version="1.0"?> <?xml version="1.0" encoding="US-ASCII" standalone="no"?>
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.