function validate( node ) {
		var comment;
		var scope;
		var i;

		comments = source.getCommentsInside( node );
		scope = context.getScope( node );
		for ( i = 0; i < comments.length; i++ ) {
			comment = comments[ i ];
			if ( comment.type !== 'Shebang' && !visited[ comment.range ] ) {
				processComment( comment, scope );
			}
			visited[ comment.range ] = true;
		}
	}
Checks whether comments start with an uppercase letter.

@private
@param {ASTNode} node - program to examine