Class encoding_opts Percent-encoding options Synopsis Declared in header <boost/url/encoding_opts.hpp> struct encoding_opts; Member Functions Name Description encoding_opts Data Members Name Description disallow_null True if nulls are not allowed lower_case True if hexadecimal digits are emitted as lower case space_as_plus True if spaces encode to and from plus signs Description These options are used to customize the behavior of algorithms which use percent escapes, such as encoding or decoding.