function validate( node ) {
		var jsdoc;
		var tags;
		var tag;
		var ast;
		var j;

		jsdoc = findJSDoc( source, node );
		if ( isObject( jsdoc ) ) {
			ast = parseJSDoc( jsdoc.value, DOPTS );
			tags = ast.tags;
			if ( isEmptyArray( tags ) ) {
				return;
			}
			for ( j = 0; j < tags.length; j++ ) {
				tag = tags[ j ];
				if ( tag.title === 'example' && tag.description ) {
					processExample( tag.description, node );
				}
			}
		}
	}
Checks if a JSDoc comment contains examples with `require` statements which are not followed by empty lines.

@private
@param {Object} node - node to examine