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Subject: Re: DOCBOOK: Image scaling (was Re: DocBook TC Meeting Minutes: 15 Jan2002)
On Wed, Jan 16, 2002 at 07:23:23AM -0500, Norman Walsh wrote: > We have all the attributes we need, and we need all the attributes we > have. (That some of this is presentational and not strictly semantic > is something we have to live with, I think.) There is another approach. Isn't this issue why processing instructions were included in the XML spec? "2.6 Processing instructions (PIs) allow documents to contain instructions for applications." The DocBook scale attributes started with a couple of non-semantic hints in the graphic attributes. But exanding those to a large system of attributes for controlling output for multiple output formats is getting pretty unwieldy. Processing instructions, on the other hand, can be targeted to specific output formats, so you could include multiple PIs for each graphic you want to control. The PI specs would be agreed upon and would be part of the stylesheet system rather than the DTD. Have PIs been considered for things like this? -- Bob Stayton 400 Encinal Street Publications Architect Santa Cruz, CA 95060 Technical Publications voice: (831) 427-7796 Caldera International, Inc. fax: (831) 429-1887 email: bobs@caldera.com
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