allow _ in hashtag

fun.go

@@ -151,7 +151,7 @@ func xfiltrate() string {
 	return s
 }
 
-var re_hashes = regexp.MustCompile(`(?:^| )#[[:alpha:]][[:alnum:]-]*`)
+var re_hashes = regexp.MustCompile(`(?:^| )#[[:alpha:]][[:alnum:]_-]*`)
 
 func ontologies(s string) []string {
 	m := re_hashes.FindAllString(s, -1)

web.go

@@ -1479,7 +1479,7 @@ func serve() {
 	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/following", emptiness)
 	getters.HandleFunc("/a", avatate)
 	getters.HandleFunc("/o", thelistingoftheontologies)
-	getters.HandleFunc("/o/{name:[a-z0-9-]+}", showontology)
+	getters.HandleFunc("/o/{name:[a-z0-9_-]+}", showontology)
 	getters.HandleFunc("/d/{xid:[[:alnum:].]+}", servefile)
 	getters.HandleFunc("/emu/{xid:[[:alnum:]_.-]+}", serveemu)
 	getters.HandleFunc("/meme/{xid:[[:alnum:]_.-]+}", servememe)