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Subject: Rework of cascading processing rules
Here’s my current attempt at a non-procedural restating of the rules for cascading: The effective direct value of an attribute is determined by the value obtained from the first of the following conditions that applies to the topicref element:
When the effective value of
@cascade is merge, the effective merged value is determined by combining any effective direct value with the effective value for the nearest ancestor element that has an effective value (which may reflect any merging of values from ancestors).
Values specified on the root elements of submaps are ignored except where the submap's root element is the only ancestor that specifies a value for the attribute. Within reltables, elements are considered to be ancestors of the elements to which they apply,
making the effective ancestry of elements then then (nearest to farthest ancestor). If an element has no effective direct or merged value, the effective value may be supplied by the processor. Cheers, E. _____________________________________________ Eliot Kimber Sr Staff Content Engineer O: 512 554 9368 M: 512 554 9368 |
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