Tatsuo Ishii <ishii@postgresql.org> writes:
> Problem with pg_trgm is, it uses isascii() etc. to recognize a letter,
> which will skip any non ASCII range character in C locale.
The only place I see that is in those ISPRINTABLE macros, which are only
used in show_trgm(), which is just a debugging function. It could stand
to be improved but it doesn't seem exactly critical.
regards, tom lane