SpreadSheetPlugin for dynamic content
offers 100 functions. Functions are evaluated at page view time. A formula can be placed anywhere in a topic, not just in a TWiki table.
$IF($T(R2:C1) > 100, over limit, $T(R2:C1))
$SUBSTITUTE(Good morning, morning, day)
$TIMEADD($TIME(), 2, week)
Here is a complete example - to space out WikiWords
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-- Contributors: TWiki:Main.PaulineCheung