From 4eeb9ec743270e864751dd51e5be5182dc16a461 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Wed, 3 Jul 2019 16:06:31 -0400
Subject: [PATCH] don't let html entities leak as hashtags

---
 fun.go | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/fun.go b/fun.go
index a044e84..1dd348f 100644
--- a/fun.go
+++ b/fun.go
@@ -122,12 +122,18 @@ var re_hashes = regexp.MustCompile(`(?:^|\W)#[[:alnum:]]+`)
 
 func ontologies(s string) []string {
 	m := re_hashes.FindAllString(s, -1)
-	for i, h := range m {
-		if h[0] != '#' {
-			m[i] = h[1:]
+	j := 0
+	for _, h := range m {
+		if h[0] == '&' {
+			continue
 		}
+		if h[0] != '#' {
+			h = h[1:]
+		}
+		m[j] = h
+		j++
 	}
-	return m
+	return m[:j]
 }
 
 type Mention struct {