Re: Issue with libhyphen

Dear László,

Thanks for your answer. You are right, substrings.pl turns out to be
exactly what I need.

So I guess this is not a bug. I missed the section about the substrings
script in the README, although it is made obvious enough with warnings etc.
:)

Cheers,
Bert


2014-03-24 15:19 GMT+01:00 Németh László <nemeth@numbertext.org>:

> Dear Bert,
>
> It seems for me, that your hyphenation patterns haven't been processed
> by the substrings.pl script of libhyphen distribution. Could you check
> it?
>
> Thanks for your bug report,
>
> Best regards,
> László
>
> 2014-03-24 14:44 GMT+01:00 Bert Frees <bertfrees@gmail.com>:
> > Dear László and others,
> >
> > We think we may have found a bug in libhyphen. It could be that it is
> just a
> > limitation of the algorithm, but anyway it's an issue for us.
> >
> > The problem is that some patterns in a dictionary are ignored in some
> cases,
> > namely when the match string of that pattern is a part of the match
> string
> > of another pattern, and more specifically when it's not just a prefix.
> >
> > Let me clarify that with an example. When a dictionary consists of these
> two
> > patterns, the word `foobar' is not hyphenated because the first pattern
> is
> > ignored:
> >
> > oo1b
> > foob
> >
> > The second, longer pattern doesn't even have to match, as the second
> example
> > shows (the first pattern is still ignored):
> >
> > oo1b
> > foobz
> >
> > I have a patch that solves part of the problem:
> https://github.com/bertfrees/libhyphen-nar/blob/adc2b74a19469e4dc93777fcdb82e36e566a0472/src/patches/bug.patch
> > With this patch the given examples will be handled correctly, but in
> other
> > situations it will still fail, such as here:
> >
> > oo1b
> > foobaz
> >
> > Have I indeed found a bug here, and does my patch make sense, or am I
> just
> > expecting too much and are we hitting the limits of the algorithm?
> >
> > Thanks for considering,
> > Bert Frees