add Dell A940 and correct manpage name

ChangeLog

@@ -1,6 +1,8 @@
 2010-02-10 m. allan noah <kitno455 at gmail dot com>
 	* acinclude.m4, configure: missing $ in variable expansion
 	* frontend/scanimage.c: exit with error if stdout isatty()
+	* doc/descriptions/unsupported.desc, doc/descriptions/lexmark.desc:
+	- add Dell A940 and correct manpage name
 
 2010-02-10 m. allan noah <kitno455 at gmail dot com>
 	* backend/cardscan.[ch], backend/cardscan.conf.in,

doc/descriptions/lexmark.desc

@@ -9,10 +9,10 @@
 ; All other information is optional (but what good is the file without it?).
 
 
-:backend "lexmark"               ; name of backend
+:backend "lexmark"                ; name of backend
-:version "1.0-0"                    ; version of backend (or "unmaintained")
+:version "1.0-0"                  ; version of backend (or "unmaintained")
-:manpage "lexmark"        ; name of manpage (if it exists)
+:manpage "sane-lexmark"           ; name of manpage (if it exists)
-:url "http://ca.geocities.com/freshshelf@rogers.com/" 
+:url "http://stef.dev.free.fr/sane/lexmark"
 				  ; backend's web page
 
 :comment "This backend supports lexmark x1100 series scanners." 

doc/descriptions/unsupported.desc

@@ -608,6 +608,12 @@
 :mfg "Dell"
 :url "http://www.dell.com/"
 
+:model "A940"
+:interface "USB"
+:usbid "0x413c" "0x5106"
+:status :unsupported
+:comment "Probably rebadged Lexmark X5150. May work with sane-lexmark? See bug #312130"
+
 :model "A960"
 :url "/unsupported/dell-a960.html"
 :interface "USB"