How is managed multiple synonyms?

Hi, iI understood that a following entry can be set in a synonym file :
word1, word2 => word1, word2

Like that a search on word1 or word2 returns the same set of documents.

I do not understand how such synonyms are handled.

Are the following assumptions true ?

  • The inverted index contains one entry for word1 and one for word2
  • Each document containing word1 or word2 are referenced by the inverted index entries word1 and word2

And for searches, how is managed a search with word1 or word 2 ? Are two queries executed ? One with word1 and one with word2 ?

Are hightlight and regexp managed with such synonyms ?

Thanks for any helps.

B. Granier

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