[GENERAL] help with upgrade from 9.1 to 9.2

[Aníbal Pacheco]

Hi, I'm trying to upgrade from 9.1 to 9.2 but lc_collate issue is very
difficult to solve, How I know the old lc_collate? I've only could grepped
old settings lc_numeric, lc_time, lc_messages and lc_monetary all them =
'C' but I don't know what lc_collate was or how to find it. please help.
Thanks