[syslinux:master] doc/syslinux.txt: SYSAPPEND 0x20000 FSUUID

[syslinux-bot for Gene Cumm]

Commit-ID:  22a873b6233e9f69b6b8feea03f07298c3a74e2e
Gitweb:     http://www.syslinux.org/commit/22a873b6233e9f69b6b8feea03f07298c3a74e2e
Author:     Gene Cumm <gene.cumm at gmail.com>
AuthorDate: Fri, 28 Nov 2014 12:51:18 -0500
Committer:  Gene Cumm <gene.cumm at gmail.com>
CommitDate: Mon, 5 Jan 2015 20:43:13 -0500

doc/syslinux.txt: SYSAPPEND 0x20000 FSUUID

Document the change introduced in 386b59e1 and extended in 7c5efd0

Signed-off-by: Gene Cumm <gene.cumm at gmail.com>

---
 doc/syslinux.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/syslinux.txt b/doc/syslinux.txt
index fd7396e..5f6af14 100644
--- a/doc/syslinux.txt
+++ b/doc/syslinux.txt
@@ -274,6 +274,11 @@ IPAPPEND bitmask
 	 28	Blade
 	 29	Blade enclosure
 
+	0x20000: Append a file system UUID string.  For EXT2/3/4, this is the typical file system UUID.  For FAT12/16/32, this is the 32-bit file system serial number (ie DA1A-0B2E).
+
+		FSUUID=<FS-UUID>
+
+
 SENDCOOKIES bitmask			[PXELINUX only]
 
 	When downloading files over http, the SYSAPPEND strings are