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-rw-r--r--font.subx10
1 files changed, 7 insertions, 3 deletions
diff --git a/font.subx b/font.subx
index dd822c71..66a82850 100644
--- a/font.subx
+++ b/font.subx
@@ -4,11 +4,15 @@
 # See https://en.wikipedia.org/wiki/GNU_Unifont#The_.hex_font_format
 # Website: http://unifoundry.com/unifont/index.html
 # License: http://unifoundry.com/LICENSE.txt (GPL v2)
+#
+# This file can only contain:
+#   - 2-letter hex bytes, optionally followed by '/' and single-word comments, and
+#   - line comments after '#'
 # Each glyph consists of a 1-byte size followed by a 16-byte bitmap.
-# The size can currently be only 8 or 16 (10).
-# * If it's 8, the glyph is 8 pixels wide, each row consists of one byte, and
+# The size can currently be only '08' or '10' (16).
+# * If it's '08', the glyph is 8 pixels wide, each row consists of one byte, and
 #   the last 8 bytes of the bitmap are ignored.
-# * If it's 16, the glyph is 16 pixels wide, and each row consists of two
+# * If it's '10', the glyph is 16 pixels wide, and each row consists of two
 #   bytes.
 
 # 0x00-0x1f: unprintable ASCII