[Blindmath] The Nemetex Back-translator

[Jose Tamayo]

Please note that you must start the braille file from scratch if you are
using a BrailleNote.  Currently, there is a bug with the BrailleNote
software that causes a major flaw in the way Grade 2 and Computer Braille
are mixed.  If you have a document that you want to convert particular
sections to Nemeth braille by  first converting to Computer Braille, you
will not be able to do it.  When you do this with the BrailleNote, you
encounter an issue where the block of braille that you convert from grade 2
to Computer Braille is converted to all upper ase.  You then have to go in
and make the changes manually.  

An alternative is to work strictly in computer braille all the time.  Again,
if you want to mix Grade 2 and Computer braille in the same file, do not use
the block feature in the Braille note tto convert from Literary to computer
braille; it will cause many headaches for you.

Regards,
Jose Tamayo you 

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On
Behalf Of Susan Jolly
Sent: Thursday, September 23, 2010 1:34 PM
To: blindmath at nfbnet.org
Subject: Re: [Blindmath] The Nemetex Back-translator

Nemetex is designed to backtranslate Nemeth braille that has been produced 
on a braille display in a particular manner.  Math expressions must be 
tagged as computer braille in the manner supported by the braille display.

Backtranslation occurs in two steps.  In the first step the display's 
built-in backtranslator for Grade 2 braille text is used to automatically 
backtranslate the text (i.e. untagged) portions of the braille file. This 
translator doesn't modify the tagged math expressions.  In the second step 
the Nemetex software backtranslates the tagged math expressions to LaTeX.

Having the user explicitly tag math expressions makes backtranslation much 
simpler as it can be quite difficult for an automatic process to distinguish

Nemeth math from Nemeth text.

SusanJ 


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