HTML Reference

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Y.search : html tag close exceptions
http://www.htmlgoodies.com/primers/html/article.php/3478151 - Simple outline ... note <HR>, <BR> and <P>, yes paragraph do not require closing tags ... to conform to XML standard, some use <BR /> - start-end in one!
http://www.starspiderdancing.net/htmlhelp/ - Another simple outline of it all ... ;-)) with javascript smiles, drifting down ...
http://ev.free2code.net/plugins/articles/read.php?id=272 - /wpus - simple explanation of tags ... the basics ...
http://www.kencinnus.com/html-to-know.html - lots of information ... nicely laid out ... <q> XHTML, ... use lowercase letters in all of your tags</q> ... good, simple explanation for the 'anchor' tag ... <a [attributes]>...</a> ... the important hyperlink concept exposed ...

W3C HTML VALIDATION

Sample of comments ...
<quote>

No DOCTYPE Declaration Found!

A DOCTYPE Declaration is mandatory for most current markup languages and without one it is impossible to reliably validate a document.

One should place a DOCTYPE declaration as the very first thing in an HTML document. For example, for a typical XHTML 1.0 document:

      <!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" lang="en" xml:lang="en">
        <head>

          <title>Title</title>
        </head>

        <body>
          <!-- ... body of document ... -->
        </body>

      </html>

For XML documents, you may also wish to include an "XML Declaration" even before the DOCTYPE Declaration, but this is not well supported in older browsers. More information about this can be found in the XHTML 1.0 Recommendation.

The W3C QA Activity maintains a List of Valid Doctypes that you can choose from, and the WDG maintains a document on "Choosing a DOCTYPE".

</quote>
great information, a mouse click away ;=))

Of course, my own 'index.html' FAILS, in many ways ... see -
http://validator.w3.org/check?uri=http://geoffmclane.com/index.html ;=(( To quote another developer - 'The point I think you are trying to make is that the "validator" still has squawks.' - ;=))

YS : html pre element
http://www.w3.org/TR/REC-html40/struct/text.html ... paragraphs, lines, and phrases ... elements like <PRE> - preformed text ... <EM> - emphasis ...

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http://www.w3.org/People/Raggett/tidy/ - claims 'Clean up your Web pages with HTML TIDY' ... on source-forge - http://tidy.sourceforge.net/ => http://sourceforge.net/cvs/?group_id=27659 with cvs -
cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/tidy login, pwd: <enter key>, and
cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/tidy co -P tidy

Another view ;=))
<q>
...nah, just fix these wee errors: http://validator.w3.org/check?uri=http%3A%2F%2Fwww.flightgear.org%2F http://jigsaw.w3.org/css-validator/validator/?uri=http%3A//www.flightgear.org/ ..sweet tidy tool, Tidy: ;o) http://www.w3.org/People/Raggett/tidy/ ..after tidying up flightgear.org to W3 standards, we just tell people to get a web capable web browser. Every vendor worth his salt, complies to W3 standards for web browsers. ..w3's own web editor: http://www.w3.org/Amaya/ ..link check tool: http://validator.w3.org/checklink/?uri=http%3A//www.flightgear.org/
</q>

The W3C html editor binaries, for various platforms, can be had at - http://www.w3.org/Amaya/User/BinDist.html - ...

or http://validator.w3.org/check?uri=http://www.greenplanet.com.au - a site to watch ...

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