URL Encoding—Ampersand Problem
It looks like the field is being encoded twice. First pass will result in & changed into %26, then urlencoding %26 will result in %2526, since the encoding for % itself is %25.
It looks like the field is being encoded twice. First pass will result in & changed into %26, then urlencoding %26 will result in %2526, since the encoding for % itself is %25.