encoding/json: adjust comment about encoding \b and \f

The encoding for the control characters \b and \f was
changed in http://go.dev/cl/521675. This CL adjusts the
corresponding comment about encoding bytes < 0x20.

Change-Id: I83b7311e4fa0731f6601ca64a66042425b4cecac
Reviewed-on: https://go-review.googlesource.com/c/go/+/523435
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>

diff --git a/src/encoding/json/encode.go b/src/encoding/json/encode.go
index 2752fcc86db55f620dfe885357542f8a657dd800..6fee1dc00b6ff4477d5f26d94362e95004f95b09 100644 (file)
--- a/src/encoding/json/encode.go
+++ b/src/encoding/json/encode.go
@@ -980,7 +980,7 @@ func appendString[Bytes []byte | string](dst []byte, src Bytes, escapeHTML bool)
                        case '\t':
                                dst = append(dst, '\\', 't')
                        default:
-                               // This encodes bytes < 0x20 except for \t, \n and \r.
+                               // This encodes bytes < 0x20 except for \b, \f, \n, \r and \t.
                                // If escapeHTML is set, it also escapes <, >, and &
                                // because they can lead to security holes when
                                // user-controlled strings are rendered into JSON