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This is the W3C Markup Validator library in C # project ("w3cmarkupvalida")
This project was registered on SourceForge.net on May 26, 2009, and is described by the project team as follows:
Library for the W3C Markup Validator API in C#. This library uses the API of the W3 HTML Validator application (http://validator.w3.org/) to validate an HTML document and receive as response if it is valid or not as well as errors and warnings.
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