How To: Escape the Percent Sign in MSBuild

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This is actually somewhat amusing, especially considering our recent set of posts on escaping properties and items. We got a question over on our forums today that amounted to "how do I escape the percent sign in an item include"?

All escaping in MSBuild is done using HTML-style URL encoding. So, for the percent sign, you escape it by using "%25". This is how we escape the pre- and post-build properties, for example.

[ Author: Neil Enns ]