Re^6: Regular Expression

Funny you should mention that (we were discussing this with the <p> tag) - it's not valid because body isn't defined with an EMPTY content model (as is br, hr, etc.)

w3c specs shown here

Comment on Re^6: Regular Expression

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Re^7: Regular Expression by CountZero (Bishop) on Jun 28, 2005 at 20:20 UTC
Well, I'm not sure about that. The DTD of XHTML defines the `<body>`-tag as `<!ELEMENT body %Block;>` and `%Block` is further defined as `<!ENTITY % block "p \| %heading; \| div \| %lists; \| %blocktext; \| fieldset \| table"> <!ENTITY % Block "(%block; \| form \| %misc;)">` [download] Watch the `` in the definition of %Block: zero or more times! So %Block can be empty, hence `<body>` can be empty and can be written as `<body/>`. Also the official validator at W3C says it is valid XHTML1.0 CountZero "If you have four groups working on a compiler, you'll get a 4-pass compiler." - Conway's Law	[reply] [d/l] [select]

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Re^7: Regular Expression
by CountZero (Bishop) on Jun 28, 2005 at 20:20 UTC

The DTD of XHTML defines the <body>-tag as <!ELEMENT body %Block;> and %Block is further defined as

<!ENTITY % block
     "p | %heading; | div | %lists; | %blocktext; | fieldset | table">

<!ENTITY % Block "(%block; | form | %misc;)*">
[download]

Watch the * in the definition of %Block: zero or more times! So %Block can be empty, hence <body> can be empty and can be written as <body/>.

Also the official validator at W3C says it is valid XHTML1.0

CountZero

"If you have four groups working on a compiler, you'll get a 4-pass compiler." - Conway's Law

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