[tex-hyphen] Hyphenation patterns for Belarusian

Arthur Reutenauer arthur.reutenauer at normalesup.org
Tue Aug 30 18:14:57 CEST 2016

> Thanks a lot. I hope I can do it by myself. My understanding of problems with those patterns is that the author incorrectly specified groups of letters (E.g.: made 'ь' a consonant which is incorrect) and this lead to conflicts since there are special rules for ь ' й ў.

  It’s a safe bet that the author(s) didn’t really know what they were

> BTW, I found another variant of patterns in OpenOffice [1]

  Interesting, where did you find them exactly?

> It doesn't include impossible combinations (mostly) and even have some exceptions from general rules.

  Yes, they look much more reasonable, but I still think it could be
worth making contact with Alex Buloichik to ask him what these
combinations were supposed to stand for.  They didn’t just come out of
nowhere.  If you do, you can ask him if he would agree to change the
licence to the MIT licence (https://opensource.org/licenses/MIT), this
makes it easier to share the patterns across projects since the patterns
are potentially useful to all typesetting systems, hyphenation
libraries, and even Web browsers nowadays.

> There are still some duplicates and conflicts.
> E.g.:
> ь8ь ь1ь % 'ьь' is an impossible combination anyway

  Forget about it, then.  Clearly this has been automatically generated
from a set of (meta-)patterns.

> .пад1ж д8ж
> .пад1з д8з

  Note that these are not actually conflicts in TeX’s view, they work
exactly the way hyphenation patterns are intended; obviously they
specify the opposite of what’s correct, but that’s another problem ;-)

> Actually .пад1ж should override д8ж
> I.e.:
> .пад7ж д4ж
> .пад7з д4з
> Is this correct?

  That’s correct, but actually I would just write


  Using lower numbers to begin with makes it easier to refine later.

  That being said, is пад really always a prefix?

> It seems to me this is a better starting point.

  Yes, indeed.

> If I need to prohibit hyphenation before й or ў can I write 8й 8ў ?
> Or I need write all possible combinations of vowel + й|ў ?

  No, 8й 8ў is perfectly valid and expresses what you want.  Or even
4й 4ў, for that matter -- using the even number greater or equal to any
other number in the patterns.



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