png_sCAL          118 contrib/libtests/pngunknown.c #define png_sCAL PNG_U32(115,  67,  65,  76)
png_sCAL          127 contrib/tools/pngfix.c #define png_sCAL PNG_U32(115,  67,  65,  76)
png_sCAL          770 pngpriv.h      #define png_sCAL PNG_U32(115,  67,  65,  76)