Subject: Re: Unregistered flow objects From: Carlos Villegas <cav@xxxxxxxxxxxxxx> Date: Tue, 06 Jul 1999 12:20:38 +0900 |
Didier Martin wrote: > Actually, with this kind of expansion mechanism (the > declare-flow-object-class ) you can add new flow objects to the core set and > have them switched on or off by a declaration. This mechanism, as you now, > is not part of the spec and is specific to OpenJade/Jade. > As Matthias found out, the mechanism for adding extension flow objects IS part of the standard, see section 12.4.3 for the definition of the application- flow-object-class-declaration as the standard calls it. What it is not standard, of course, is the particular extension flow objects added by Jade, and how that is actually done in the implementation. The declaration is standard, but of course, the backend that implements those extensions needs to know about the new objects and so they need to be defined in some internal structure inside jade. The same applies for additional characteristics, see section 12.4.6 declare-characteristic, as are the ones added to the simple-page-sequence by the RTF and TeX backends (page-n-columns, etc.). Cheers, Carlos Villegas Uniscope, Inc. DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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