Specifies the maximum distance across the equation 'measure' at which the first relation in an equation can appear before it is designated as a split point instead of an alignment point PTC ALD .uses the first relation of an equation as the alignment point for any subsequent lines of the equation (if it has to split), however this can lead to limited alignment space if the first relation is too far across the measure. Up to the user defined percentage of the measure, the relation is used as an alignment point: at any point after the user defined percentage a split will occur at the relation and it will align with a previous relation, if one is present.