The SGML doctype at the top of your HTML defines which language that the web page is written it. The short form <!doctype html> defines that it is HTML without specifying what version of HTML. The longer variants define more specifically just which particular SGML language that the web page is written in. Selecting what [...]
I have been programming computers since the late 1970s, performing a wide variety of different computer programming jobs, and using a large range of different languages - mostly writing accounting and financial systems for mainframe computers. Since the market for mainframe computer skills moved offshore I have been writing about computers, teaching computer courses in the classroom, and also doing accounting work.
Computer help on a range of different computer related topics
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