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Add function help for IF expression

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Fix #13015
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Matthias Kuhn 2015-07-13 08:27:09 +02:00
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commit de2b6a9688
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<h3>if function</h3>
Tests a condition and returns a different result depending on the conditional
check.
<h4>Syntax</h4>
<pre>IF (condition, result_when_true, result_when_false)</pre>
<h4>Arguments</h4>
condition &rarr; The condition which should be checked.
result_when_true &rarr; The result which will be returned when the condition is True.
result_when_false &rarr; The result which will be returned when the condition is False.
<h4>Example</h4>
<pre> IF( 1, 'One', 'Not One' ) &rarr; returns 'One' </pre>
<pre> IF( 8, 'One', 'Not One' ) &rarr; returns 'Not One' </pre>