Thanks for you comment, I was not aware of the unaccent limitation.
This blog post only present a solution for small/medium search needs without adding extra dependency ... the postgres full text search is far of being a silver bullet
Yep, that's how I understood it and I like the rest a lot, too. I just wanted to make make the sentence stand out, as it is so far below. BTW, the problem seems to be that postgres doesn't actually handle decomposed UTF-8 and is non-compliant in that regard:
