And show contact info when there's no indexing, at all.
Installations where Xapian is too expensive can still support
threading since it only depends on SQLite, so we need to inform
users of what's available.
+EOF
+ } # $srch
+ my $over = $ibx->over;
+ if ($over) {
+ $$txt .= <<EOF;
message threading
-----------------
message threading
-----------------
+EOF
+ } # $over
+
+ $$txt .= <<EOF;
EOF
# TODO: support admin contact info in ~/.public-inbox/config
EOF
# TODO: support admin contact info in ~/.public-inbox/config