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Subject: RE: [dita] DITA Issue Proposal: Styling Options for Conditional Text
From: Erik Hennum <>
To: "JoAnn Hackos" <>
Date: Wed, 31 Aug 2005 06:36:34 -0700
Hi, JoAnn and Paul:
We might want to include this issue in the existing item, 39 Policy-based style mechanism.
(By the way, JoAnn, I'm an interested party on that item.)
I'd suggest that our approach to style policies should consist of selectors and properties. In essence, a policy file should be able to attach any style or layout property (including an exclude or hide property) to any content fragment.
The selectors should be CSS-like matches on inherited class, instance identifier, token value, or nesting of the above. The goal should be to put policy decisions in the hands of the broad audience that wouldn't be successful with XSLT. (Because XSLT is always available as a general fallback, style policies can provide a purely declarative set of selectors and properties rather than executable flow and expressions.)
To produce books from bookmaps, the set of properties will need properties like page break and so on.
A bit more on the thought:
http://www.oasis-open.org/apps/org/workgroup/dita/email/archives/200409/msg00022.html
Paul's note below highlights the convergence of this approach with DITA conditional values, which also provide a system of selectors and properties. In a perfect world, existing DITA values files would remain valid instances of the more general style policies format. A transform might be acceptable.
Thanks,
Erik Hennum
"JoAnn Hackos" <>
"JoAnn Hackos" <>
08/29/2005 07:55 AM
To
"Paul Prescod" <>, <>
cc
Subject
RE: [dita] DITA Issue Proposal: Styling Options for Conditional Text
I fully support this proposal.
JoAnn
JoAnn T. Hackos, PhD
President
Comtech Services, Inc.
710 Kipling Street, Suite 400
Denver, CO 80215
303-232-7586
http://www.comtech-serv.com
From: Paul Prescod [mailto:]
Sent: Monday, August 29, 2005 1:04 AM
To:
Subject: [dita] DITA Issue Proposal: Styling Options for Conditional Text
We propose that the DITAVAL file be standardized for interchange among applications.
The DITAVAL file currently provides 16 colors for styling conditional elements. We propose that the styling options be extended for scalability, to support multiple output devices, and to incorporate current knowledge of human factors.
Feedback from our customers indicates that it is important to be able to signal conditions without relying on color. Non-color formatting is important in monochrome printouts and for color-blind users.
We propose allowing users to assign the following formats to conditions: underline, double underline, italics, overline, and bold.
We propose allowing users to set background colors for conditional text. For the vast majority of users who work in black text on a white background, light highlight colors provide good contrast for legibility.
Paul Prescod and Su-Laine Yeo
Blast Radius XMetaL
Follow-Ups:
RE: [dita] DITA Issue Proposal: Styling Options for Conditional Text
From: Michael Priestley <>
References:
RE: [dita] DITA Issue Proposal: Styling Options for Conditional Text
From: "JoAnn Hackos" <>
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