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Editorial Team
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Asked: 2026-05-23T08:37:48+00:00

I’m creating an atom XML packet as part of a REST Service request. A

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I’m creating an atom XML packet as part of a REST Service request.
A problem happens though when the value for one of the tags in the XML contains the symbol for a registered trademark.

The XML is being sent as a “PUT” through WebRequest. When the problem character is in the XML, the complete XML package doesn’t make it to the server. The data packet gets truncated and I see the error “Unexpected EOF in start tag” reported on the server.

I do notice at the server that the first part of the request comes in (before being truncated) containing the problem character as “®”. I expected to just see “®”.

I thought that I only need to worry about these characters in XML:

Double Quote: ”

Single Quote: ‘

Less Than: <

Greater Than >

Ampersand: &

How can I escape or process my string so that I can send any character with no problem?

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1 Answer

  1. Editorial Team

    Xml can trick you in this way. It’s not that certain characters are invalid, but that a large swath of unicode is defined as valid, and anything outside of that is verbotten. The trick to getting this right without more complex logic is to use a CDATA section.

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