bilingual hyphenation in utf8 encoding

[David Carlisle]

If you use lualatex and babel you do not need to generated "combined"
hyphenation patterns, it can detect English or Greek from the script and
switch language automatically

https://tex.stackexchange.com/questions/579780/use-of-greek-language-without-textlatin-textgreek-each-word/579813#579813

David


On Thu, 12 Jun 2025 at 14:04, George Efthivoulidis <george.a.ef at gmail.com>
wrote:

> Hello,
>
> a question about bilingual hyphenation, for the special case of two
> languages with non-overlapping unicode blocks.
>
> I want to typeset (mostly technical) documents in which the main language
> is greek, but they often contain terms of phrases in english. The source
> file is in utf8 encoding. I know how to do this with babel, but it is
> inconvenient to switch language all the time, even if I define macros with
> short names.
>
> Long time ago, my source files were in an ISO encoding, and I was using a
> format with merged english and greek hyphenations. There was no collision
> between the two languages, because they don't have common characters. In
> principle it is possible to merge english and greek hyphenations also with
> utf8 encoding, such that there is no need to switch between the two
> languages. Of course this wouldn't work for languages with common
> characters (e.g., english and german).
>
> Question: Is there a TeX Live format or package which provides
> english+greek hyphenations together?  If not, is there a guideline for how
> to create such a format or package?
>
> Regards
> George Efthivoulidis
>
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