:relfileprefix: ../../../ [#boost-urls-scheme-none] = xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/scheme.adoc[pass:[scheme]]::none Indicates that no scheme is present == Synopsis Declared in header `` [source,cpp,subs="verbatim,macros,-callouts"] ---- none = 0 ----