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gorilla
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From: Denmark
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Essential w3c documents - 4/29/2004 14:43:39
Doctypes If you don't put in a full and proper doctype you force browsers into what is called quirks mode. The results are unpredictable. Those of you who develop sites with Internet Explorer in mind might be interested to learn that Microsoft themselves call "quirks mode" "bugs mode" and "bugwards complatible mode."
Use a full correct type at the start of EVERY page. Frontpage does not do this for you:
http://www.w3.org/QA/2002/04/valid-dtd-list.html
Here is a list of the current doctypes for those who find it confusing to scroll down through the complete list:
HTML 4.01 Strict, Transitional, Frameset
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
"http://www.w3.org/TR/html4/frameset.dtd">
XHTML 1.0 Strict, Transitional, Frameset
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
XHTML 1.1 DTD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
Important note:
The template example below is taken directly from w3c's site:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>An XHTML 1.0 Strict standard template</title>
<meta http-equiv="content-type"
content="text/html;charset=utf-8" />
<meta http-equiv="Content-Style-Type" content="text/css" />
</head>
<body>
<p>... Your HTML content here ...</p>
</body>
</html>
Note the text I have put in red. This is called the prolog. Because of a bug in Internet Explorer putting in the prolog will also force IE into quirks mode. You can safely omit the prolog. Your code will still validate.
Validators:
The ONLY authoriative validators are those that come from w3c themselves. Everything else is somebody's opinion of what the standards mean. Save time save money get it right use the free validation provided by w3c:
For HTML and XHTML:
http://validator.w3.org/
FOR CSS
http://jigsaw.w3.org/css-validator/
Finally get and print a copy of the specifications for:
Links to all of these are on the validator page given above.
< Message edited by gorilla -- 4/29/2004 15:18:35 >
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BobbyDouglas
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Joined: 5/15/2003
From: Arizona
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RE: Essential w3c documents - 4/29/2004 15:27:32
When would be a good example to use each of the different doctypes?
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pageoneresults
Posts: 1001
From: Orange, CA USA
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RE: Essential w3c documents - 5/5/2004 10:57:06
There is also another validator that the W3C endorses.
WDG Validator
The above validator allows you to batch process up to 100 URIs from a site with their online interface. This just recently changed, it used to be only 50.
< Message edited by pageoneresults -- 5/5/2004 14:24:53 >
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pageoneresults
Posts: 1001
From: Orange, CA USA
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RE: Essential w3c documents - 5/5/2004 11:01:48
quote:
xhtml loose - probably the best of all especially if linking to outside sites.
The target attribute has been deprecated in XHMTL. Therefore, all of your external links need to open in the same window or you can use a JavaScript solution to bypass the deprecated target attribute.
Side Note: FP2002+ has an option to Apply XML Formatting Rules while previewing in HTML mode. This is a great tool but does have its bugs that you need to watch out for. Mainly character entities such as ' which it converts to '. Once you do the XML formatting, you need to do a find and replace routine and replace those ' with '.
< Message edited by pageoneresults -- 5/5/2004 11:04:02 >
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d a v e
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From: England (but live in Finland now)
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prolog (IE is an awkward git!) - 5/23/2004 6:49:52
re: prolog thanks for that tip, my site was driving me crazy, trying to centre a div in IE wasn't working until i took out the prolog. it's only really a holding page, till i finish but you can see it here http://members.surfeu.fi/dave_pirjo/, if anyone is interested! my first bash at xhtml (strict)
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d a v e
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From: England (but live in Finland now)
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RE: prolog (IE is an awkward git!) - 5/23/2004 8:58:35
it means that i forgot the space before the comma and it got included in the address and you didn't notice either!!
try http://members.surfeu.fi/dave_pirjo/
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