Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> Consulting old manuals suggests it may have version 3.80 (c. 2002),
> which lacks the 'else if..' syntax introduced in 3.81 (c. 2006).
Right; I haven't updated it because that's specifically called out to
be the minimum supported version in our docs (cf installation.sgml).
regards, tom lane