[PATCH] extmsg: add note about the deficiency of the implementation

[Eric Wong]

ref: http://public-inbox.org/meta/20150905091457.ga27...@dcvr.yhbt.net/
---
 lib/PublicInbox/ExtMsg.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/PublicInbox/ExtMsg.pm b/lib/PublicInbox/ExtMsg.pm
index 243b6ba..77537c2 100644
--- a/lib/PublicInbox/ExtMsg.pm
+++ b/lib/PublicInbox/ExtMsg.pm
@@ -95,6 +95,8 @@ sub ext_msg {
                unshift @pfx, { srch => $ctx->{srch}, url => $url };
                foreach my $pfx (@pfx) {
                        my $srch = delete $pfx->{srch} or next;
+
+                       # FIXME we may need a proper prefix trie here...
                        if (my $res = $srch->mid_prefix($mid)) {
                                $n_partial += scalar(@$res);
                                $pfx->{res} = $res;
-- 
EW

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