[Koha-bugs] [Bug 21357] Filter elisions from index and search terms in Elasticsearch

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21357

--- Comment #76 from Katrin Fischer <katrin.fischer at bsz-bw.de> ---
(In reply to David Cook from comment #75)
> (In reply to Janusz Kaczmarek from comment #74)
> > ... I mean the original apostrophe filter:
> > https://www.elastic.co/guide/en/elasticsearch/reference/8.7/analysis-
> > apostrophe-tokenfilter.html
> 
> According to the documentation, that was originally created for the Turkish
> language.
> 
> In English, it would work well with apostrophe S ('s) but not so well for
> contractions like "don't" or "can't". 
> 
> It would also break languages like Ukrainian:
> https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=27153#c14

I am not sure I follow that argument. We already have been ignoring ' with
Zebra for many years and never got a bug filed about it. On the other hand, we
have a lot of people now that ask for it to ignore the '. 

Would it be possible to make it configurable? If not, I'd say we should just go
with it. It's a big issue for French. And searching 'dont' is what I feel is
more common than 'don t'.

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