patzimm72
10-15-2009, 11:08 PM
Can someone please help me. I need to know the three main differences between XML and HTML.
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Charles
10-16-2009, 04:51 AM
XML is the parent of XHTML in the same way that SGML is the parent of HTML. XML is HTML's uncle.
slaughters
10-16-2009, 10:40 AM
XML is mainly for exchanging data between machines.
HTML is mainly for formatting text to display in a web browser
OH - you asked for 3 "main differences" - you must want a homework or test answer instead of a real one.
XML starts with an "X".
HTML is mainly for formatting text to display in a web browser
OH - you asked for 3 "main differences" - you must want a homework or test answer instead of a real one.
XML starts with an "X".
Charles
10-16-2009, 11:21 AM
"XML is mainly for exchanging data between machines."
Nope, it's a way of structuring data and documents that is both human and machine readable. It is also a way to describe rules that define a type of document or application that is a subset of XML. XML is all grammar but has a way to define the vocabulary.
"HTML is mainly for formatting text to display in a web browser"
Nope, it's a way of structuring a certain type of document so the the meaning of the content is clear. On the printed page a lot of information is conveyed on top of the words themselves. Things like position on the page, color and size tell you that something is a heading and not a footnote. HTML captures the words but also the other stuff so that the page makes sense on any medium. (CSS is for formatting text to display in a web browser, or to be read aloud by a screen reader or to be printed on paper.) HTML is one of those applications, having grammar and vocabulary. Except HTML is a subset of SGML and not XML.
Nope, it's a way of structuring data and documents that is both human and machine readable. It is also a way to describe rules that define a type of document or application that is a subset of XML. XML is all grammar but has a way to define the vocabulary.
"HTML is mainly for formatting text to display in a web browser"
Nope, it's a way of structuring a certain type of document so the the meaning of the content is clear. On the printed page a lot of information is conveyed on top of the words themselves. Things like position on the page, color and size tell you that something is a heading and not a footnote. HTML captures the words but also the other stuff so that the page makes sense on any medium. (CSS is for formatting text to display in a web browser, or to be read aloud by a screen reader or to be printed on paper.) HTML is one of those applications, having grammar and vocabulary. Except HTML is a subset of SGML and not XML.
slaughters
10-16-2009, 11:57 AM
Charles - You missed the word "mainly" on a very simplified explanation :)
P.S.
I was even wrong about XML starting with an "X" when describing the eXtensible Markup Language.
P.S.
I was even wrong about XML starting with an "X" when describing the eXtensible Markup Language.
Charles
10-16-2009, 12:45 PM
Charles - You missed the word "mainly" on a very simplified explanation :)No, I saw that but I find that attitude the root of many a poorly marked up page.
slaughters
10-16-2009, 01:04 PM
No, I saw that but I find that attitude the root of many a poorly marked up page.
hu·mor (hymr) n.
The quality that makes something laughable or amusing; funniness: could not see the humor of the situation.
That which is intended to induce laughter or amusement: a writer skilled at crafting humor.
The ability to perceive, enjoy, or express what is amusing, comical, incongruous, or absurd. See Synonyms at wit1.
hu·mor (hymr) n.
The quality that makes something laughable or amusing; funniness: could not see the humor of the situation.
That which is intended to induce laughter or amusement: a writer skilled at crafting humor.
The ability to perceive, enjoy, or express what is amusing, comical, incongruous, or absurd. See Synonyms at wit1.
rnd me
10-21-2009, 05:44 PM
- some html tags can stay open, whereas in xml they must all close
- html has many known entities like " ", whereas xml has only a few
- xml has no content requirements, while html demands things like <head> being before <body>
- html has many known entities like " ", whereas xml has only a few
- xml has no content requirements, while html demands things like <head> being before <body>
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