2433 	function setPreviousVerticalIndex( stack, v ) {  argument
2436 			stack.setAttribute( 'data-previous-indexv', v || 0 );
2536 				toArray( hslide.querySelectorAll( 'section' ) ).forEach( function( vslide, v ) {  argument
2538 					vslide.setAttribute( 'data-index-v', v );
2540 					transformElement( vslide, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
2550 …toArray( hbackground.querySelectorAll( '.slide-background' ) ).forEach( function( vbackground, v )…  argument
2551 				transformElement( vbackground, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
2691 			if( index.h > 0 || index.v > 0 || index.f !== undefined ) url += index.h + hashIndexBase;
2692 			if( index.v > 0 || index.f !== undefined ) url += '/' + (index.v + hashIndexBase );
2867 	function slide( h, v, f, o ) {  argument
2880 		if( v === undefined && !isOverview() ) {
2881 			v = getPreviousVerticalIndex( horizontalSlides[ h ] );
2901 		indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
3480 					if( isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );
3629 …oArray( backgroundh.querySelectorAll( '.slide-background' ) ).forEach( function( backgroundv, v ) {  argument
3635 					if( v < indexv ) {
3638 					else if ( v > indexv ) {
4379 					slide(indices.h, indices.v);
4392 				v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
4402 			if( h !== indexh || v !== indexv || f !== undefined ) {
4403 				slide( h, v, f );
4459 			v = indexv,
4474 			v = undefined;
4478 				v = Math.max( toArray( slide.parentNode.querySelectorAll( 'section' ) ).indexOf( slide ), 0 );
4495 		return { h: h, v: v, f: f };
4657 			indexv: indices.v,
5105 					var v = ( previousSlide.querySelectorAll( 'section' ).length - 1 ) || undefined;
5107 					slide( h, v );
5732 						v = parseInt( element.getAttribute( 'data-index-v' ), 10 );
5734 					slide( h, v );