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THE META-HTML LANGUAGE REFERENCE MANUAL
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Name: IF
Section:
Flow Control
Synopsis:
Description:
First TEST is evaluated. If the result is a non-whitespace only
string, the THEN clause is evaluated, otherwise, the
ELSE clause is evaluated. Although Meta-HTML has an
or
function, you can efficiently test for the presence of any of
a group of variables with code similar to the following:
<if <get-var foo bar>
"Either FOO or BAR is present"
"Neither FOO nor BAR is present">
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The
META-HTML
Reference Manual V1.4
Copyright © 1995, 1996,
Brian J. Fox,
1996, 1997 Universal Access Inc.
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