[liblouis-liblouisxml] Re: Enhancing table handling
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Fri, 21 Mar 2014 09:39:38 -0500
A message a few days ago from Brandon quoted a part of the liblouidutdml
documentation about using the third column of a semantic action to insert a
semicolon after each column in a table. This is a
common method of handling tables. A general method will indeed be hard.
John
On Fri, Mar 21, 2014 at 12:27:46PM +0100, Christian Egli wrote:
> Hi Michael
>
> very interesting discussion.
>
> Michael Whapples <mwhapples@xxxxxxx> writes:
>
> > In the longer term and thinking of when formatting is dealt with by
> > something new, in a higher level language, may be more advanced
> > choices can be done, what do we want to do?
>
> Generally I have to say that I like the approach that the Braille
> Modules in the DAISY Pipeline 2 take in that the source XML is handled
> in XSLT (a language geared for that purpose) with callouts to the
> formatter. So all the normalizing of the table (re row and colspan),
> flipping or linearizing of it is done in XSLT. The XSLT doesn't know
> anything about page dimensions, for that it has to query the formatter.
> This will generally give you a much better story when it comes to
> transforming the source xml. You could then also handle transcriber
> hints as you call them. That way you can separate the task of preparing
> a document from the task of formatting a document. This will enable you
> to make best use of utdml without having to rewrite the whole thing.
>
> HTH
> Christian
> --
> Christian Egli
> Swiss Library for the Blind, Visually Impaired and Print Disabled
> Grubenstrasse 12, CH-8045 Zürich, Switzerland
>
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