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@@ -116,12 +116,10 @@ pattern:
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UNIT is a unit string, as defined in `org-duration-units'. The
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time duration is formatted using only the time components that
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-are specified here. If a time unit in missing, it falls back to
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-the next smallest unit.
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+are specified here.
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-A non-nil REQUIRED? value for these keys indicates that the
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-corresponding time component should always be included, even if
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-its value is 0.
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+Units with a zero value are skipped, unless REQUIRED? is non-nil.
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+In that case, the unit is always used.
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Eventually, the list can contain one of the following special
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entries:
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