directives -> 
	language-version <0.9>,
	namespace <documentation.schemes>;


schemes <rnode>->

	source credibility <J4j6KbeM>;


source credibility <J4j6KbeM> ->

	questionable (Q) <CJclsgRT>,
	mundane (M) <3GknaYve>,
	credible (C) <Fxu0QKUP>,
	canonical (A) <qOHgF0K6>;