Merge 1f4500a5e608d47e19660af7a95d1c58f6d4e6fa into bb824731032856460aa3ffc23bd90e11bf7d5199

render/json.go

@@ -9,7 +9,6 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
-	"unicode"
 
 	"github.com/gin-gonic/gin/internal/bytesconv"
 	"github.com/gin-gonic/gin/internal/json"
@@ -163,7 +162,7 @@ func (r AsciiJSON) Render(w http.ResponseWriter) error {
 	escapeBuf := make([]byte, 0, 6) // Preallocate 6 bytes for Unicode escape sequences
 
 	for _, r := range bytesconv.BytesToString(ret) {
-		if r > unicode.MaxASCII {
+		if r >= 128 {
 			escapeBuf = fmt.Appendf(escapeBuf[:0], "\\u%04x", r) // Reuse escapeBuf
 			buffer.Write(escapeBuf)
 		} else {