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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 8ebd693030..9fcd5d7695 100644
--- a/src/encoding/xml/marshal.go
+++ b/src/encoding/xml/marshal.go
@@ -850,7 +850,7 @@ func (p *printer) marshalStruct(tinfo *typeInfo, val reflect.Value) error {
switch k {
case reflect.String:
s := vf.String()
- dashDash = strings.Index(s, "--") >= 0
+ dashDash = strings.Contains(s, "--")
dashLast = s[len(s)-1] == '-'
if !dashDash {
p.WriteString(s)