[liblouis-liblouisxml] Re: Hyphenation
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Tue, 19 May 2009 14:56:46 -0500
Lars,
I did not get any other reply to my question about the source code of
the program that produces the hyphenation tables.
You are not the only one to whom hyphenation is important. More bugs!
John
On Tue, May 19, 2009 at 09:15:24PM +0200, Lars Bj�rndal wrote:
> Just a litle followup:
>
> "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx> writes:
>
> > By private e-mail Lars sent me an example of incorrect hyphenation. The
> > hyphenation algorithm is complicated. First, the word at the end of the
> > line is checked for length. Words of less than 5 characters are not
> > candidates for hyphenation. The word in the sample was much longer than
> > this. Next, the word is back-translated so the hyphenation algorithm,
> > which was derived from OpenOffice can be applied to it. The result is
> > stripped of leading and trailing punctuation and submitted to the
> > algorithm. This produces a string of digits, with odd digits indicating
> > where hyphenation may occur. The word is then forward translated, with
> > position-tracking, so that positions in the translated word can be
> > correlated with the positions where hyphenation may occur. The position
> > nearest to the end of the line is chosen.
> >
> > Hyphenation has always been rather uncertain. Since position-tracking
> > has been tweaked since the hyphenation algorithm was written, it is
> > probably time to revisit it. Work on math codes is taking priority at
> > the moment.
> >
> > I wonder if someone can find the program which produces the hyphenation
> > tables that we use. I did find the original paper describing it (by
> > Wang, I think), but it was a pdf and consisted mostly of page images.
> > Only very incomplete OCR had been done.
>
> I'm sorry that I cannot help you with info about the program you asked
> about. Did you get any other reply about this? To me, hyphenation
> is somewhat important.
>
> Best regards,
> Lars
> For a description of the software and to download it go to
> http://www.jjb-software.com
--
My websites:
GodTouches Digital Ministry, Inc. http://www.abilitiessoft.com/godtouches
Abilitiessoft, Inc. http://www.abilitiessoft.com
Location: Madison, WI, USA
For a description of the software and to download it go to
http://www.jjb-software.com
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