wok log libpng+apng/receipt

age author description
2017-02-19 Alexander Medvedev Up: libpng+apng (1.6.28)
2017-02-18 Aleksej Bobylev libpng+apng: remove $PROVIDE (thanks az-ua)
2016-05-07 Pascal Bellard tk, nano, htop, gawk: fix arm build
2013-06-14 Pascal Bellard libpng+apng: remove ERROR: trigger
2013-06-14 Aleksej Bobylev Add: gif2apng, apng2gif, apngasm, apngdis, apngopt, libpng+apng (latest stable libpng 1.6.2); up: optipng (0.7.4).