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Update red.html.markdown
Added header info and completed Hello World program with the header.
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@ -23,15 +23,22 @@ from any platform to any other platform. And it will do this all from a binary e
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Ready to learn your first Red?
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```Red
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All text before the Red header will be treated as comment
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The Red header is the word "Red" followed by a whitespace character followed by a block of square brackets [].
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The block of brackets can be filled in with useful information about the script or program, the author, the version, the license, what the program does or needs.
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The Red/System header is just like the Red header, only saying "Red/System" and not "Red".
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Red []
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;this is a commented line
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print "hello world" ; this is another comment
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print "Hello Red World" ; this is another comment
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comment {
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This is a
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multiline
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comment
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comment.
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You just saw the Red version of the "Hello World" program.
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}
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; Your program's entry point is the first executable code that is found
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