Note missing coverage for time format thing.
diff --git a/times.go b/times.go
index 592ebe1..085d2f1 100644
--- a/times.go
+++ b/times.go
@@ -76,7 +76,7 @@
 	for _, ch := range mag.format {
 		if escaped {
 			switch ch {
-			case '%':
+			case '%': // TODO:  coverage missing
 			case 's':
 				args = append(args, lbl)
 			case 'd':