lei import: vivify external-only messages

Keyword storage for external-only messages was preventing
messages from being explicitly imported.  Teach lei_store
to vivify keyword-only entries into fully-indexed messages
on import.

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/PublicInbox/LeiSearch.pm b/lib/PublicInbox/LeiSearch.pm
index 360a37e5..bbb00661 100644
--- a/lib/PublicInbox/LeiSearch.pm
+++ b/lib/PublicInbox/LeiSearch.pm
@@ -63,7 +63,10 @@ sub _cmp_1st { # git->cat_async callback
         }
 }
 
-sub xoids_for { # returns { OID => docid } mapping for $eml matches
+# returns { OID => num } mapping for $eml matches
+# The `num' hash value only makes sense from LeiSearch itself
+# and is nonsense from the PublicInbox::LeiALE subclass
+sub xoids_for {
         my ($self, $eml, $min) = @_;
         my ($chash, $mids) = content_key($eml);
         my @overs = ($self->over // $self->overs_all);