Only operate on non-empty input
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@ -35,6 +35,7 @@ class XMLValidator extends Operation {
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*/
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*/
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run(input, args) {
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run(input, args) {
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if (input)
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try {
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try {
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// Overwrite error handler since the built-in one does not raise exceptions.
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// Overwrite error handler since the built-in one does not raise exceptions.
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(new DOMParser.DOMParser({errorHandler: {
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(new DOMParser.DOMParser({errorHandler: {
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