update prog-ref.texi.

ChangeLog

@@ -1,3 +1,8 @@
+2000-12-14  OKUJI Yoshinori  <okuji@gnu.org>
+
+	* docs/prog-ref.texi (Partition types): Rewrite the footnotes.
+	Suggested by Ralf.Medow@t-online.de (Ralf Medow).
+	
 2000-12-14  OKUJI Yoshinori  <okuji@gnu.org>
 
 	From Erik Schoenfelder <schoenfr@gaertner.de>:

docs/prog-ref.texi

@@ -1471,7 +1471,7 @@ SpeedStor
 @item 63
 GNU Hurd or Mach or Sys V/386 (such as ISC UNIX)@footnote{But the reason
 why they decided that 63 means GNU Hurd is not known. Do not use 63 for
-GNU Hurd.}
+GNU Hurd, but use 83 for ext2fs, and A5 for FFS.}
 
 @item 64
 Novell Netware 286
@@ -1504,8 +1504,8 @@ MINIX / old Linux
 Linux swap
 
 @item 83
-Linux native@footnote{This is not true. Use 83 for ext2fs even if the
-owner OS is GNU/Hurd.}
+Linux native@footnote{This is not necessarily true. GNU Hurd uses 83 for
+ext2fs partitions.}
 
 @item 84
 OS/2 hidden C: drive