[PATCH] www: avoid undefined warnings for query string parsing

[Eric Wong]

Sometimes bots generate malformed queries with sequential
"&" and ";" characters.
---
 lib/PublicInbox/WWW.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index 62e4ca4..13b3921 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -46,7 +46,7 @@ sub call {
                $v = '' unless defined $v;
                $v =~ tr/+/ /;
                ($k, $v)
-       } split(/[&;]/, $env->{QUERY_STRING});
+       } split(/[&;]+/, $env->{QUERY_STRING});
        $ctx->{qp} = \%qp;
 
        my $path_info = $env->{PATH_INFO};
-- 
EW