Update comment
commit9a49ba9afabce45789805187cb88fdae2acbf57f
authorOlly Betts <olly@survex.com>
Tue, 19 Dec 2017 23:22:41 +0000 (20 12:22 +1300)
committerOlly Betts <olly@survex.com>
Wed, 20 Dec 2017 00:19:35 +0000 (20 13:19 +1300)
treed9aac260252ae77c89bfab9c3a779696f93a9244
parentd181ae3d59dd5e23e83cc84607e4a1258e3be06c
Update comment

Position tables now have their own merge function, but this code is
still needed for termlist tables.
xapian-core/backends/glass/glass_compact.cc