Consider using another spellchecking library

[kelson42]

For the moment we use the one of Xapian, we should see if we could not benefit of using an other one... and which one?

@veloman-yunkan suggested at https://github.com/openzim/libzim/issues/731#issuecomment-2875591112:

After some research, I'd rather go with a more specialized spellchecker tool like https://github.com/hunspell/hunspell or https://github.com/nuspell/nuspell and generate input (dictionary) for the spellchecker from a filtered list of terms found in the titledb

[kelson42]

@veloman-yunkan I would tend to put this feature request on-hold as long as we don't hit a serious problem with the Xapian based approach... or do we have already a kind of serious issue?

[kelson42]

@veloman-yunkan Considering this issue seems to be a blocker for #1012, see https://github.com/openzim/libzim/issues/1012#issuecomment-3527800188. Priority ahould be to implement this one to complete the work on the spellchecking.

What is the situation and what would you recommend to do here?

[veloman-yunkan]

@kelson42 I am now working on integration with nuspell