function render( ctx, d ) {
	/* eslint-disable no-underscore-dangle */
	var orient;
	var props;
	var txt;
	var x;
	var y;

	orient = ctx._orientation;
	debug( 'Axis orientation: %s.', orient );

	props = {
		'namespace': 'http://www.w3.org/2000/svg',
		'attributes': {
			'fill': '#000',
			'dy': dy( orient )
		}
	};

	x = xAttr( orient );
	y = yAttr( orient );

	props.attributes[ x ] = ctx.tickDir * ctx.tickSpacing;
	props.attributes[ y ] = 0.5;

	txt = ctx.tickFormat( d );
	debug( 'Tick text: %s.', txt );

	debug( 'Generating a virtual DOM tree (%s) with properties: %s.', ELEMENT, JSON.stringify( props ) );

	return h( ELEMENT, props, txt );
}
Renders tick text.

@private
@param {Object} ctx - context
@param {*} d - tick value
@returns {VTree} virtual tree