Add license.
diff --git a/font/LICENSE b/font/LICENSE
new file mode 100644
index 0000000..9604a91
--- /dev/null
+++ b/font/LICENSE
@@ -0,0 +1,13 @@
+The bitmap fonts in this directory are copyright B&H Inc. and Y&Y Inc.
+and distributed under the following exception to the Lucent license:
+
+ No right is granted to create derivative works of or
+ to redistribute (other than with the Plan 9 Operating System)
+ the screen imprinter fonts identified in subdirectory
+ /lib/font/bit/lucida and printer fonts (Lucida Sans Unicode, Lucida
+ Sans Italic, Lucida Sans Demibold, Lucida Typewriter, Lucida Sans
+ Typewriter83), identified in subdirectory /sys/lib/postscript/font.
+ These directories contain material copyrights by B&H Inc. and Y&Y Inc.
+
+(Of course, X11 already distributes non-Unicode versions of these fonts.)
+
