id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
25635	Fix URLValidator to allow the '+' character in URL scheme	Dheerendra Rathor	nobody	"Quoting w3's url-spec
 A complete URL consists of a naming scheme specifier followed by a string whose format is a function of the naming scheme.
and
 Within the URL of a object, the first element is the name of the scheme, separated from the rest of the object by a colon. The rest of the URL follows the colon in a format depending on the scheme.

So basically scheme should be present in URL syntax. Current scheme regex is `^(?:[a-z0-9\.\-]*)://` which allows empty schemes. 

Also schemes should allow alphanumeric characters with `-`, `.` and `+` ([https://tools.ietf.org/html/rfc1738#section-2.1 rfc1738])."	Bug	closed	Core (Other)	1.8	Normal	fixed	urlvalidator, regexvalidator	zborboa@…	Ready for checkin	1	0	0	0	0	0