doc: Simplify mention of unique indexes for NULL control
authorBruce Momjian <[email protected]>
Thu, 21 May 2020 23:49:30 +0000 (19:49 -0400)
committerBruce Momjian <[email protected]>
Thu, 21 May 2020 23:49:30 +0000 (19:49 -0400)
commitd594e4cd73ea30fd64af0a9d438a8ad498dd50e7
tree133b844cef07c501ba66dd690546397fece26d5b
parent57dc672c27bda0538895777d2e99ebc4ea9b23df
doc:  Simplify mention of unique indexes for NULL control

Discussion: https://postgr.es/m/2304.1586532634@sss.pgh.pa.us

Backpatch-through: 9.5
doc/src/sgml/indices.sgml