www: undefined query string values are empty strings

We use very short query parameters for search, so "&r"
without a '=' implies truth for 'r' (relevance).

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index 78b8826e2287ae9cdd29a5d30cf4cdc695f2df32..f88894a0d02810d51c2926a8ba9915bec256c306 100644 (file)
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -47,6 +47,7 @@ sub call {
        # we don't care about multi-value
        my %qp = map {
                my ($k, $v) = split('=', $_, 2);
+               $v = '' unless defined $v;
                ($k, $v)
        } split(/[&;]/, uri_unescape($env->{QUERY_STRING}));
        $ctx->{qp} = \%qp;