Error when using & and amp in url

[Airat Mustaev]

Hi! thanks for the great tool!
However, we started using it and noticed this error, example:
https://www.google.com/some-url/?c=1&amp=3 => https://www.google.com/some-url/?c=1&amp ;=3, that is, in the query parameters we have left: c=1&=3