[liblouis-liblouisxml] Re: UEB: Unicode char representation
- From: Greg Kearney <gkearney@xxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Tue, 20 Nov 2012 11:16:27 +0800
I could go down through the UEB symbol table and do this if it would help any.
I am refering the the UEB symbol table from the ICEB which should be
authoritative.
Gregory Kearney | Manager Accessible Media
Association for the Blind of WA - Guide Dogs WA
PO Box 101, Victoria Park WA 6979 | 61 Kitchener Ave, Victoria Park WA 6100
Tel: 08 9311 8246 | Fax: 08 9361 8696 | www.guidedogswa.com.au
Tel: 307-224-4022 (North America)
Email: greg.kearney@xxxxxxxxxxxxxxxxxx
Email: gkearney@xxxxxxxxx
Everyone has the right to freedom of opinion and expression; this right
includes freedom to hold opinions without interference and to seek, receive and
impart information and ideas through any media and regardless of frontiers.
Article 19 of the UN Universal Declaration of Human Rights
On 20/11/2012, at 11:10 AM, Joseph Lee <joseph.lee22590@xxxxxxxxx> wrote:
> Hi,
> Yes, although some dot patterns need to be changed.
> The overall structure of the en-ueb series follows that of old uebc tables:
> * en-ueb-g1.ctb: required UEB symbols and other Unicode chars. Same as
> en-us-g1.ctb except these additional uNicode chars are added.
> * en-ueb-g2.ctb: includes en-ueb-g1.ctb and adds grade 2 translation rules.
> This is the plan I thought of unless others have any other comments. Thanks.
> //JL
>
>
> On 11/19/12, Greg Kearney <gkearney@xxxxxxxxx> wrote:
>> Would a table something like this help with the UEB unicode issues:
>>
>> # potential conflicts with regular pubtuation signs
>> letter \x002C 3456-2 comma & set
>> numeric & grade 1 word modes [3.5]
>> letter \x002E 3456-256 dot (decimal
>> point) & set numeric & grade 1 word
>> modes [3.5]
>> # End of conflicting signs.
>>
>> letter \x2225 3456-123 parallel to
>> [3.16]
>> letter \x021D 3456-13456 Latin small
>> letter yogh [2009-9-20]
>> letter \x221E 3456-123456 Latin small
>> letter thorn [2009-9-20]
>> letter \x00F0 3456-1246 Latin small
>> letter eth [2009-9-20]
>> letter \x01BF 3456-2456 Latin letter
>> wynn (wen) [2009-9-20]
>>
>>
>> letter \x22A5 3456-36 up tack (=
>> perpendicular) [3.16]
>> letter \x22BE 3456-456-246 right angle with arc
>> (or similar figure with
>> "squared off" arc) [3.16]
>> letter \x0400 41 at-sign
>> [3.17]
>> letter \x00A2 4-14 cent sign [3.25]
>>
>> I'm taking the symbols from
>> https://spreadsheets.google.com/pub?key=td22ZEbcYFZRtoMixEN63ZQ&output=html
>>
>>
>> Gregory Kearney | Manager Accessible Media
>> Association for the Blind of WA - Guide Dogs WA
>> PO Box 101, Victoria Park WA 6979 | 61 Kitchener Ave, Victoria Park WA 6100
>> Tel: 08 9311 8246 | Fax: 08 9361 8696 | www.guidedogswa.com.au
>> Tel: 307-224-4022 (North America)
>> Email: greg.kearney@xxxxxxxxxxxxxxxxxx
>> Email: gkearney@xxxxxxxxx
>>
>> Everyone has the right to freedom of opinion and expression; this right
>> includes freedom to hold opinions without interference and to seek, receive
>> and impart information and ideas through any media and regardless of
>> frontiers.
>> Article 19 of the UN Universal Declaration of Human Rights
>>
>> On 20/11/2012, at 1:44 AM, Joseph Lee <joseph.lee22590@xxxxxxxxx> wrote:
>>
>>> Hi,
>>> Thanks - I'll investigate. Or perhaps I could include contents of
>>> Nemeth table to en-ueb-g1.ctb (encoded in UTF-8) to see what
>>> happens.Cheers,
>>> Joseph
>>> On 11/19/12, John J. Boyer <john.boyer@xxxxxxxxxxxxxxxxx> wrote:
>>>> liblouis does handle Unicode characters. Look at nemeth.ctb and its
>>>> included files. They contain Greek letters, mathematical symbols, etc.
>>>> written in the form \xhhhh For some months now you have been able to
>>>> write characters in UTF-8 encoding, if you have a keyboard that can do
>>>> it.
>>>>
>>>> John
>>>>
>>>> On Mon, Nov 19, 2012 at 02:04:05AM -0800, Joseph Lee wrote:
>>>>> Hi John and others,
>>>>> This is something that we may need to go over before continuing with
>>>>> UeB table improvements:
>>>>> As you may know, UEB assigns many Unicode chars to dot patterns. This
>>>>> include Greek and Latin letters, math symbols, transcriber notes and
>>>>> shapes.
>>>>> At this time, LibLouis does not handle Unicode chars well - the
>>>>> current (old) UEBC table does not even show Greek signs properly,
>>>>> which is beyond the range of ASCII chars. If you read a passage
>>>>> containing Unicode chars, the current UEBC code shows hex values for
>>>>> Unicode chars beyond 255. This fact might be sort of a stumbling block
>>>>> for languages which needs to show these Unicode characters (including
>>>>> UEBC) using correct braille dot patterns.
>>>>> Right now, I decided to experiment with encoding to see which one
>>>>> would suit UEBC well - ANSI (works okay, but does not show Unicode
>>>>> chars above 255), UTF-8 with or without bomb. It seems that one of
>>>>> these two UTF-8 encodings would be best suited for UEBC. However, I
>>>>> feel we need to do extensive testing to make sure that UEBC table does
>>>>> what it is supposed to do: display complex Unicode symbols using
>>>>> correct dot patterns, which would be useful for braille readers who
>>>>> needs to access technical materials using correct UEBC signs.
>>>>> Thanks.
>>>>> //JL
>>>>> For a description of the software, to download it and links to
>>>>> project pages go to http://www.abilitiessoft.com
>>>>
>>>> --
>>>> John J. Boyer; President, Chief Software Developer
>>>> 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
>>
>> 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
For a description of the software, to download it and links to
project pages go to http://www.abilitiessoft.com
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