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-rw-r--r--src/encoding/xml/marshal.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/encoding/xml/marshal.go b/src/encoding/xml/marshal.go
index ec4822b5c1..609c790520 100644
--- a/src/encoding/xml/marshal.go
+++ b/src/encoding/xml/marshal.go
@@ -856,7 +856,7 @@ func (p *printer) marshalStruct(tinfo *typeInfo, val reflect.Value) error {
}
case reflect.Slice:
b := vf.Bytes()
- dashDash = bytes.Index(b, ddBytes) >= 0
+ dashDash = bytes.Contains(b, ddBytes)
dashLast = b[len(b)-1] == '-'
if !dashDash {
p.Write(b)