pgsql: Doc: remove claim that all \pset format options are unique in 1

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Doc: remove claim that all \pset format options are unique in 1
Date: 2018-11-14 21:40:10
Message-ID: E1gN2tO-0005m2-FI@gemulon.postgresql.org
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Doc: remove claim that all \pset format options are unique in 1 letter.

This hasn't been correct since 9.3 added "latex-longtable".

I left the phraseology "Unique abbreviations are allowed" alone.
It's correct as far as it goes, and we are studiously refraining
from specifying exactly what happens if you give a non-unique
abbreviation. (The answer in the back branches is "you get a
backwards-compatible choice", and the answer in HEAD will shortly
be "you get an error", but there seems no need to mention such
details here.)

Daniel Vérité

Discussion: https://postgr.es/m/cb7e1caf-3ea6-450d-af28-f524903a030c@manitou-mail.org

Branch
------
REL9_5_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/44dc82690d4e4ac92faed036c2c2867dbb6a88b3

Modified Files
--------------
doc/src/sgml/ref/psql-ref.sgml | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

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