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+#------------------------------------------------------------------------------
+# $File: pgf,v 1.3 2021/02/23 00:51:10 christos Exp $
+# pgf: file(1) magic for Progressive Graphics File (PGF)
+#
+# <http://www.libpgf.org/uploads/media/PGF_Details_01.pdf>
+# 2013 by Philipp Hahn <pmhahn debian org>
+0 string PGF Progressive Graphics image data,
+!:mime image/x-pgf
+>3 string 2 version %s,
+>3 string 4 version %s,
+>3 string 5 version %s,
+>3 string 6 version %s,
+# PGFPreHeader
+#>>4 lelong x header size %d,
+# PGFHeader
+>>8 lelong x %d x
+>>12 lelong x %d,
+>>16 byte x %d levels,
+>>17 byte x compression level %d,
+>>18 byte x %d bpp,
+>>19 byte x %d channels,
+>>20 clear x
+>>20 byte 0 bitmap,
+>>20 byte 1 gray scale,
+>>20 byte 2 indexed color,
+>>20 byte 3 RGB color,
+>>20 byte 4 CMYK color,
+>>20 byte 5 HSL color,
+>>20 byte 6 HSB color,
+>>20 byte 7 multi-channel,
+>>20 byte 8 duo tone,
+>>20 byte 9 LAB color,
+>>20 byte 10 gray scale 16,
+>>20 byte 11 RGB color 48,
+>>20 byte 12 LAB color 48,
+>>20 byte 13 CMYK color 64,
+>>20 byte 14 deep multi-channel,
+>>20 byte 15 duo tone 16,
+>>20 byte 17 RGBA color,
+>>20 byte 18 gray scale 32,
+>>20 byte 19 RGB color 12,
+>>20 byte 20 RGB color 16,
+>>20 byte 255 unknown format,
+>>20 default x format
+>>>20 byte x \b %d,
+>>21 byte x %d bpc
+# PGFPostHeader
+# Level-Sizes
+#>>(4.l+4) lelong x level 0 size: %d
+#>>(4.l+8) lelong x level 1 size: %d
+#>>(4.l+12) lelong x level 2 size: %d