// an unambiguous script.
					if goodScript {
						t.ScriptID = tt.ScriptID
					}
				}
			}
		}
	} else {
		// Search matches for und-script.
		if t.ScriptID != 0 {
			x := likelyScript[t.ScriptID]
			if x.region != 0 {
				t.setUndefinedRegion(Region(x.region))
				t.setUndefinedLang(Language(x.lang))
				return t, nil
			}
		}