When variables are output with ${variable},
they can be escaped with a default escape transformation. Typically,
this would be an HTML escape or XML escape transform, to prevent security
problems such as cross-site scripting attacks (XSS).
If you need to write a variable unescaped, it can be output using
the unescaped keyword:
${variable unescaped}
This explicitly disables any default escaping for this variable expression.
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