java - How to decode special characters with Apache Tika -

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i'm using apache tika parse ms word documents html (string). problem documents contains special characters (e.g. mathematical operators). way how solve it? thank help.

input: enter image description here

output

enter image description here

source code

saxtransformerfactory.newinstance(); transformerhandler handler = null;  try {   handler = factory.newtransformerhandler(); } catch (transformerconfigurationexception e) {    logger.warn(string.format("sax processing not available: ", e));    return; }  handler.gettransformer().setoutputproperty(outputkeys.indent, "yes"); handler.gettransformer().setoutputproperty(outputkeys.method, "xml"); handler.gettransformer().setoutputproperty(outputkeys.encoding, "utf-8"); handler.setresult(new streamresult(output)); // stringwriter output


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