# 4400 TWriter StringValue Method Not Escaping Reserved Characters Properly

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Using the TWriter to serialise properties, it incorrectly quotes the strings in properties. If I type in the line:

Hello " Mum

Then it appears in the JSON as:

"propertyname": "Hello "" Mum",

It should be:

"propertyname": "Hello \" Mum",

When read back in, the TReader barfs on this.