True if nulls are not allowed
Synopsis
Declared in header </boost/url/encoding_opts.hpp#L68[boost/url/encoding_opts.hpp,window=blank_]>
bool disallow_null;
Description
Normally all possible character values (from 0 to 255) are allowed, with reserved characters being replaced with escapes upon encoding. When this option is true, attempting to decode a null will result in an error.