lei_xsearch: more detail about ->xdb call chain

I was just wondering this myself :x

diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index 7ec696f4da52d16d26f2552047d1a0dd5f4eebd2..9a6457d723fb96642421277aa99166d12cb000ef 100644 (file)
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -63,7 +63,7 @@ sub locals { @{$_[0]->{locals} // []} }
 
 sub remotes { @{$_[0]->{remotes} // []} }
 
-# called by PublicInbox::Search::xdb
+# called by PublicInbox::Search::xdb (usually via ->mset)
 sub xdb_shards_flat { @{$_[0]->{shards_flat} // []} }
 
 sub mitem_kw ($$;$) {