doc: Improve types in example
authorPeter Eisentraut
Fri, 9 Jun 2017 23:49:18 +0000 (19:49 -0400)
committerPeter Eisentraut
Fri, 9 Jun 2017 23:49:18 +0000 (19:49 -0400)
commit0332993c4e14f13b211f41535f77aadb305fd354
tree7f9de4c578d2b22db36b7aa22d90502682573a1a
parent0933fcee9851eb2afcd41db1ee4425153f4cbdd3
doc: Improve types in example

Reported-by: Nikolaus Thiel
doc/src/sgml/xfunc.sgml