Clarify PostList::check() doc comment
commit8288bc6c715289f4271387c0b0ecea1fad9a7514
authorOlly Betts <olly@survex.com>
Wed, 13 Sep 2017 04:13:55 +0000 (13 16:13 +1200)
committerOlly Betts <olly@survex.com>
Wed, 13 Sep 2017 17:40:53 +0000 (14 05:40 +1200)
tree569ba9384fe977d9abad0921fb90ed1876f211d0
parentb290278a85e7d4c953450a499cdf7e64f6172574
Clarify PostList::check() doc comment

If valid is set to false, then NULL must be returned (pruning in this
situation doesn't make sense) and at_end() shouldn't be called (because
it implicitly depends on the current position being valid).
xapian-core/api/postlist.h