Fix #5767

tools/cmd/at/main.go

@@ -108,6 +108,9 @@ func (s escaped_string) MarshalJSON() ([]byte, error) {
 	a('"')
 	for _, r := range src {
 		if ' ' <= r && r <= 126 {
+			if r == '\\' || r == '"' {
+				buf = append(buf, '\\')
+			}
 			buf = append(buf, byte(r))
 			continue
 		}
@@ -122,10 +125,6 @@ func (s escaped_string) MarshalJSON() ([]byte, error) {
 			a('\\', 'f')
 		case '\b':
 			a('\\', 'b')
-		case '\\':
-			a('\\', '\\')
-		case '"':
-			a('\\', '"')
 		default:
 			a('\\', 'u')
 			for s := 12; s >= 0; s -= 4 {

tools/cmd/at/main_test.go

@@ -14,6 +14,7 @@ func TestEncodeJSON(t *testing.T) {
 	tests := map[string]string{
 		"a b\nc\td\a": `a b\nc\td\u0007`,
 		"•":           `\u2022`,
+		`a"b`:         `a\"b`,
 		"\U0001f123":  `\ud83c\udd23`,
 	}
 	var s escaped_string

tools/cmd/clipboard/read.go

@@ -302,6 +302,7 @@ func run_get_loop(opts *Options, args []string) (err error) {
 			return fmt.Errorf("Could not detect the MIME type for: %s use --mime to specify it manually", arg)
 		}
 	}
+
 	defer func() {
 		for _, o := range outputs {
 			if o.dest != nil {