[liblouis-liblouisxml] Re: Proposal for capital and emphasis in UEB
- From: Keith Creasy <kcreasy@xxxxxxx>
- To: "liblouis-liblouisxml@xxxxxxxxxxxxx" <liblouis-liblouisxml@xxxxxxxxxxxxx>
- Date: Tue, 27 Jan 2015 16:53:14 +0000
Thank you John. I'll let Mike ask the questions but it's good knowing you are
on board with this plan.
Keith
-----Original Message-----
From: liblouis-liblouisxml-bounce@xxxxxxxxxxxxx
[mailto:liblouis-liblouisxml-bounce@xxxxxxxxxxxxx] On Behalf Of John J. Boyer
Sent: Tuesday, January 27, 2015 11:49 AM
To: liblouis-liblouisxml@xxxxxxxxxxxxx
Subject: [liblouis-liblouisxml] Re: Proposal for capital and emphasis in UEB
Hi Keith,
This sounds good. I will give whatever help I can.
John
On Tue, Jan 27, 2015 at 03:41:16PM +0000, Keith Creasy wrote:
> Dear all.
>
> We at APH are working on a project to create high-quality braille from
> publisher's files to be embossed using the new BANA UEB specifications.
> LibLouis currently has a few shortcomings that need to be addressed before we
> can achieve the quality output we need. A couple of these have already been
> partially implemented by us or others.
>
>
>
> 1. Capitalization of phrases. Addition of cap-phrase sign and end
> cap-phrase sign along with implementation to support it.
>
> 2. Correct UEB capitalization within words with mixed case.
>
> 3. Correct application of symbols to begin and end emphasis (typeforms).
>
> 4. Support for additional, custom, typeforms provided by UEB.
>
>
> We are proposing doing this coding ourselves. Along with some corrections to
> the tables, with deference to the work Joseph and Ken are doing on UEB tables.
>
>
> One of the main changes we'd like to make is to change the way capitalization
> is handled so that internally LibLouis simply treats it as another form of
> emphasis. The only differences being that the attributes used for the
> capitalization is inherent in the text and does not need to be passed in as
> an argument when translating, and of course LibLouis handles capitalization
> in reverse as well as forward translation.
>
>
> Internally there is actually even less difference between emphasis
> (typeforms) and how we hope to handle capitalization. Our plan is to expand
> the values used in the array that indicates emphasis and, on the first pass
> LibLouis makes through the text, set the array for capital emphasis at that
> time. Then handle it along with all other forms of emphasis.
>
>
> In order to handle cases where we have multiple emphasis or typeforms the
> current implementation needs to be enhanced so that it not only knows when
> the emphasis flags change but exactly how they change. This is in fact the
> only way to make capitalization as a form of emphasis work. An additional
> benefit of this is of course handling mixed bold, italics, and underlined
> text even if they are irregularly mixed.
>
>
> I know it is usually preferable to make changes in very small increments but
> we don't see a way to do this for our purposes. We plan to fork LibLouis,
> work on and test it while keeping in sync with the master LibLouis code as we
> can, and then at some point work on merging our work back to the master
> repository if that is desirable.
>
> Mike Gray mgray@xxxxxxx<mailto:mgray@xxxxxxx> is the programmer we
> have tasked with accomplishing this work. We welcome any feedback. It
> is our hope to improve LibLouis for eve
>
> Regards,
> Keith Creasy
> ryone
--
John J. Boyer; President,
Abilitiessoft, Inc.
http://www.abilitiessoft.com
Madison, Wisconsin USA
Developing software for people with disabilities
For a description of the software, to download it and links to project pages go
to http://www.abilitiessoft.com
For a description of the software, to download it and links to
project pages go to http://www.abilitiessoft.com
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