Resolving Layout Interdependency With Presentational Variables
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Overview: In the construction of variable data documents, the layout of component parts to build a composite section with heterogeneous layout functions can be implemented by a tree-evaluating layout processor. This handles many cases with well-scoped structure very smoothly but becomes complex when layout relationships between components cut across a strict tree. This paper presents an approach for XML-described layouts based on a post-rendering set of single-assignment variables, analagous to XSLT, that can make this much easier, does not compromise layout extensibility and can be a target for automated interdependency analysis and generation.