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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
What difference does using the XHTML standard really make?

I enclose my HTML attributes in quotes - or at least when I remember, I do!

I always provide a matching close tag to go with each opening tag - except when I forget to do so, or am in a hurry

I make sure I provide an alt attribute with each image - although sometimes I really don't know what I would say in such a tag, so I skip it

If I need an & character, I encode it as & - mind you, when I cut and paste I may miss some!

What difference does it really make to the people viewing my pages if I've got of few of these transgressions?

It was pointed out to me the other day that one of the sites I looked after didn't conform to the XHTML transitional standard in one area of the page, and there was also a specific user problem being reported. Nad it's very nice to have a "we confirm" logo there. So I took the opportunity to add a poll to the site, for regular users, asking if the changes I had made (which cleared 96 errors and 1 warning!) had made any difference to users.

I'm going to conclude that the exercise was worth doing, as it gives me a nice warm feeling. It will make things better for the occasional person. It's suggested that it will now render faster (not sure if I believe that). It stops people telling me that can't see my page because the HTML is broken (even if the reason they can't see it is something else - like our site is blocked at their work place because it's too good and they spend too long with us). And it probably help our search engine ranking - the cleaner the code, the easier for the search engine to understand it, and the more professional it looks.
(written 2009-06-18, updated 2009-06-22)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
W601 - Structure of Networks and Webs
  [1798] What does an browser understand? What does an HTML document contain? - (2008-09-15)

W502 - Web and Intranet - HTML Document Anatomy
  [857] Strikingly busy - (2006-09-06)
  [993] Positioning with Cascading Style Sheets - (2006-12-16)
  [1160] HTML - example of a simple web page - (2007-04-24)
  [1187] Updating a page strictly every minute (PHP, Perl) - (2007-05-14)
  [1431] Getting the community on line - some basics - (2007-11-13)
  [1463] All the special characters in HTML ... - (2007-12-07)
  [1811] Alternative URLs using % symbol encoding - (2008-09-27)
  [2675] Redirecting to your main domain for correct security keys - (2010-03-13)
  [3517] Tags used in writing this blog - (2011-11-12)
  [3563] How big is a web page these days? Does the size of your pages matter? - (2011-12-26)
  [4034] The VERY basics of a web page ... and web site - (2013-03-09)

Q625 - Object Orientation and General technical topics - HTML for Web Application Authors
  [2913] Six languages in one file - an HTML++ web page - (2010-08-10)

A301 - Web Application Deployment - XML, DTD, XSLT, XHTML and More
  [653] Easy feed! - (2006-03-21)
  [1050] The HTML++ Metalanguage - (2007-01-22)
  [1901] XML, HTML, XHTML and more - (2008-11-23)
  [2378] Handling XML in Perl - introduction and early examples - (2009-08-27)
  [2554] Adding retrospective ALT attributes to IMG - (2009-12-28)

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Client side (Applet) and Server side (Servlet) Graphics in Java
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Some other Articles
Bluegrass comes to Melksham
Public Transport from London to Melksham, Wiltshire
Getting home from Melksham
A day in the life of a hotelier
What difference does using the XHTML standard really make?
Client side (Applet) and Server side (Servlet) Graphics in Java
What should a web site cost you?
Changing a variable behaviour in Perl - tieing
So what is this thing called Perl that I keep harping on about?
Perl references - $$var and \$var notations
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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