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+Portland Bitmap Font format
+
+This format is intended as a quickly readable font format.
+
+Header:
+  byte: character width
+  byte: character height
+  byte: horizontal padding
+  byte: vertical padding
+  dword: offset into file of default character bitmap
+
+For each character (255 of them, 0x01 to 0xff):
+  dword: offset into bitmap data area of character bitmap,
+           or 0xffffffff if the default should be used.
+
+Bitmap data area:
+  bitmaps are from left to right, then from top to bottom.
+  the least significant bit of a byte is the "first" one.
+\ No newline at end of file