commit - e2ab3f7c357e4a40a2891afece9f3ee0adb66008
commit + a039d5d3dec690069733d885665406a79171b141
blob - c11252d89e1561853f49e9cbabd54d25986d8328
blob + f28b7795983870c419864372f6de45993ff977b0
--- userdb.go
+++ userdb.go
@@ -42,7 +42,7 @@ func CreateUserDB(name, ticketDir string) (*UserDB, er
 }
 
 // OpenUserDB opens the named user database file and ticket directory.
-// If the database does not exist, it is created and its tables are 
+// If the database does not exist, it is created and its tables are
 // initialised ready for use.
 func OpenUserDB(name, dir string) (*UserDB, error) {
 	db, err := sql.Open("sqlite3", name)
@@ -79,14 +79,14 @@ func (db *UserDB) Lookup(name string) (User, error) {
 
 func (db *UserDB) add(username string, pw Password) error {
 	if len(username) > maxUsernameLength {
-		return fmt.Errorf("add %s: invalid username: too long", username)
+		return fmt.Errorf("add %s: bad username: too long", username)
 	}
 	addr, err := mail.ParseAddress(username)
 	if err != nil {
-		return fmt.Errorf("add %s: invalid username: %w", username, err)
+		return fmt.Errorf("add %s: bad username: %w", username, err)
 	}
 	if addr.Name != "" {
-		return fmt.Errorf("add %s: proper name present", username)
+		return fmt.Errorf("add %s: bad username: proper name present", username)
 	}
 
 	hashed, err := bcrypt.GenerateFromPassword(pw, bcrypt.DefaultCost)