Tom Lane wrote:
> > 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.
Here's a patch making "\pset format" reject ambiguous abbreviations.
Best regards,
--
Daniel Vérité
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