< ‘Papers/2006/Unknown/2006.pdf’
> ‘Papers/2006/Li/2006 Li.pdf’
/ ‘Papers/Library.papers’
/ ‘Papers/Spotlight/Authors.spotlightIndex’
/ ‘Papers/Spotlight/Fulltext.spotlightIndex’
/ ‘Papers/Spotlight/General.spotlightIndex’
/ ‘Papers/Spotlight/Titles.spotlightIndex’