040000 tree 9861ec8a0151524532f2af1b55977d2c900ec10c	libpng
040000 tree 4ace4b607da429ef4465450b44d4b3fbdc3b7ecf	pngtest
100644 blob a924037a0225fb62b1c2d7bdabce9efbbbdf916d	readme.txt
100644 blob 24b07d920306d022796a7d8d752900830b39341e	zlib.props
040000 tree aa4a1dd69139a91918227db298e59fcd78ba680c	zlib