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Using DocBook with Specific Tools
Following are some notes on using DocBook with SGML-aware software applications.
DTD Validation Warnings
The content model of the Entry element uses nonrecommended mixed content. Most parsers (for example, nsgmls and Mark-It) report a warning for this content model, but the model is valid.
ADEPT•Editor and Document•Architect
You may need to reduce the capacities in the DocBook SGML declaration in order to compile DocBook under Document•Architect for use with ADEPT•Editor. The following capacities should be sufficient for most documents:
TOTALCAP 500000 ATTCAP 350000 ATTCHCAP 350000 AVGRPCAP 350000 ELEMCAP 350000 ENTCAP 350000 ENTCHCAP 350000 GRPCAP 350000 IDCAP 350000 IDREFCAP 350000
If you put IDs on all your elements, you may need to increase IDCAP.
RulesBuilder
RulesBuilder issues a warning about the Set element being defined but not referenced. Set is properly not referenced in any other content models because it is the topmost element. This warning may be due to the fact that the top-level driver file contains no ELEMENT declarations.