M fun.go → fun.go

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