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-rw-r--r--src/encoding/json/encode.go4
-rw-r--r--src/encoding/json/encode_test.go6
2 files changed, 7 insertions, 3 deletions
diff --git a/src/encoding/json/encode.go b/src/encoding/json/encode.go
index 38b98a57f7..9ba717c9ce 100644
--- a/src/encoding/json/encode.go
+++ b/src/encoding/json/encode.go
@@ -969,6 +969,10 @@ func appendString[Bytes []byte | string](dst []byte, src Bytes, escapeHTML bool)
switch b {
case '\\', '"':
dst = append(dst, '\\', b)
+ case '\b':
+ dst = append(dst, '\\', 'b')
+ case '\f':
+ dst = append(dst, '\\', 'f')
case '\n':
dst = append(dst, '\\', 'n')
case '\r':
diff --git a/src/encoding/json/encode_test.go b/src/encoding/json/encode_test.go
index d027972d8a..7972348801 100644
--- a/src/encoding/json/encode_test.go
+++ b/src/encoding/json/encode_test.go
@@ -113,7 +113,7 @@ func TestRoundtripStringTag(t *testing.T) {
"BoolStr": "false",
"IntStr": "0",
"UintptrStr": "0",
- "StrStr": "\"\\u0008\\u000c\\n\\r\\t\\\"\\\\\"",
+ "StrStr": "\"\\b\\f\\n\\r\\t\\\"\\\\\"",
"NumberStr": "0"
}`,
},
@@ -795,11 +795,11 @@ var encodeStringTests = []struct {
{"\x05", `"\u0005"`},
{"\x06", `"\u0006"`},
{"\x07", `"\u0007"`},
- {"\x08", `"\u0008"`},
+ {"\x08", `"\b"`},
{"\x09", `"\t"`},
{"\x0a", `"\n"`},
{"\x0b", `"\u000b"`},
- {"\x0c", `"\u000c"`},
+ {"\x0c", `"\f"`},
{"\x0d", `"\r"`},
{"\x0e", `"\u000e"`},
{"\x0f", `"\u000f"`},