"Daniel Verite" <dan...@manitou-mail.org> writes: > psql's documentation has this mention about output formats: > "Unique abbreviations are allowed. (That would mean one letter is enough.)"
> but "one letter is enough" is not true since 9.3 that added > "latex-longtable" sharing the same start as "latex", and then > 9.5 added "asciidoc" with the same first letter as "aligned". Yeah, that text has clearly outstayed its welcome. > When a non-unique abbreviation is used, psql uses the first > match in an arbitrary order defined in do_pset() by > a cascade of pg_strncasecmp(). Ugh. Should we not fix the code so that it complains if there's not a unique match? I would bet that the code was also written on the assumption that any abbrevation must be unique. regards, tom lane