diff --git a/doc/gamma4scanimage.man b/doc/gamma4scanimage.man
index 576d1480e..e8230fd82 100644
--- a/doc/gamma4scanimage.man
+++ b/doc/gamma4scanimage.man
@@ -26,30 +26,40 @@ and maximum output value
 of the gamma table.
 .PP
 .BR gamma
-is a floating point value, neutral value is 1.0, if the value is larger than
-1.0 then the image gets brighter.
+is a floating point value, neutral value being 1.0. If the value is larger than
+1.0 then the image is brighter.
 .PP
 .BR shadow
 defines the minimum input value that is necessary to create an output value
-larger than zero.  shadow has to be in the range [0..maxin]. Its default value
+larger than zero.  shadow has to be in the range [0..\fBmaxin\fR]. Its default value
 is 0.
 .PP
 .BR highlight
 defines the maximum input value that produces an output value smaller than
-maxout.  highlight has to be in the range [0..maxin], highlight has to be
-larger than shadow. Its default value is the same as maxin (16383 if not set).
+maxout.  highlight must be in the range [0..maxin] and
+larger than shadow. Its default value is the same as
+.RB maxin
+(16383 if not set).
 .PP
 .BR maxin
 defines the size of the gamma table. The size depends on the scanner/backend.
-If the scanner uses 8 bits gamma input then maxin has to be set to 255, for 10
-bits 1023, for 12 bits 4095, for 14 bits 16383. The default is 16383.  To find
-out what value maxin has to be call scanimage with a very large gamma table
-[0]0-[99999]255 then scanimage prints an error message with the needed size of
-the gamma table.
+If the scanner uses 8 bit gamma input then
+.RB maxin
+must be set to 255, 1023 for 10
+bits, 4095 for 12 bits, and 16383 for 14 bits. The default is 16383.  To find
+out what value
+.RB maxin
+has to be, call
+.B scanimage
+with a very large gamma table
+[0]0-[99999]255 and
+.B scanimage
+will print an error message with the needed gamma table size.
 .PP
 .BR maxout
-defines the maximum output value. Take a look at the output of scanimage \-h to
-find out what maxout has to be. The default value is 255.
+defines the maximum output value. Take a look at the output of 
+.B scanimage \-h 
+to find out what maxout must be. The default value is 255.
 .PP
 .SH EXAMPLE
 .B scanimage \-\-custom\-gamma=yes \-\-gamma\-table
diff --git a/doc/sane.man b/doc/sane.man
index ed8116cef..5782c51b6 100644
--- a/doc/sane.man
+++ b/doc/sane.man
@@ -40,11 +40,11 @@ provides some means to manage one or more other backends.
 .SH "SOFTWARE PACKAGES"
 The package
 .RB ` sane\-backends '
-contains a lot of backends, documentation, networking support, and the
+contains backends, documentation, networking support, and the
 command line frontend
-.RB ` scanimage '.
+.RB ` scanimage(1) '.
 The frontends
-.RB ` xscanimage "', `" xcam "', and `" scanadf '
+.RB ` xscanimage(1) "', `" xcam(1) "', and `" scanadf(1) '
 are included in the package
 .RB ` sane\-frontends '.
 Both packages can be downloaded from the
@@ -87,7 +87,7 @@ supported or unsupported), please contact us. See section HOW CAN YOU HELP
 SANE for details. There are lists for specific releases of SANE, for the
 current development version and a search engine:
 .IR http://www.sane\-project.org/sane\-supported\-devices.html .
-The lists are also installed on your system at @DOCDIR@/.
+The lists are also installed on your system at \fI@DOCDIR@/\fR.
 .TP
 .B SANE mailing list
 There is a mailing list for the purpose of discussing the SANE standard and its
@@ -136,7 +136,7 @@ available on the local host. See
 .BR saned (8).
 .TP
 .B sane\-find\-scanner
-Command-line tool to find SCSI and USB scanners and determine their Unix
+Command-line tool to find SCSI and USB scanners and determine their UNIX
 device files. See
 .BR sane\-find\-scanner (1).
 .PP
@@ -150,7 +150,7 @@ and the frontend information page at
 .SH "BACKENDS FOR SCANNERS"
 .TP 2
 .B abaton
-The SANE backend for Abaton flatbed scanners supports the Scan 300/GS (8bit,
+The backend for Abaton flatbed scanners supports the Scan 300/GS (8bit,
 256 levels of gray) and the Scan 300/S (black and white, untested). See
 .BR sane\-abaton (5)
 for details.
@@ -162,26 +162,26 @@ See
 for details.
 .TP
 .B apple
-The SANE backend for Apple flatbed scanners supports the following scanners:
+The backend for Apple flatbed scanners supports the following scanners:
 AppleScanner, OneScanner and ColorOneScanner. See
 .BR sane\-apple (5)
 for details.
 .TP
 .B artec
-The SANE Artec backend supports several Artec/Ultima SCSI flatbed scanners as
+The Artec backend supports several Artec/Ultima SCSI flatbed scanners as
 well as the BlackWidow BW4800SP and the Plustek 19200S. See
 .BR sane\-artec (5)
 for details.
 .TP
 .B artec_eplus48u
-The SANE artec_eplus48u backend supports the scanner Artec E+ 48U and re-badged
+The artec_eplus48u backend supports the scanner Artec E+ 48U and re-badged
 models like Tevion MD 9693, Medion MD 9693, Medion MD 9705 and Trust Easy
 Webscan 19200. See
 .BR sane\-artec_eplus48u (5)
 for details.
 .TP
 .B as6e
-This is a SANE backend for using the Artec AS6E parallel port interface
+This backend supports the Artec AS6E parallel port interface
 scanner. See
 .BR sane\-as6e (5)
 for details.
@@ -233,15 +233,9 @@ This backend provides support for Corex Cardscan USB scanners. See
 .BR sane\-cardscan (5)
 for details.
 .TP
-.B coolscan
-This is a SANE backend for Nikon Coolscan film-scanners. See
-.BR sane\-coolscan (5)
-for details.
-.TP
-.B coolscan2
-This is a SANE backend for Nikon Coolscan film-scanners.
-See
-.BR sane\-coolscan2 (5)
+.B coolscan coolscan2 coolscan3
+These backends provide support for Nikon Coolscan film-scanners. See
+.BR sane\-coolscan "(5), " sane\-coolscan2 "(5) and " sane\-coolscan3 (5)
 for details.
 .TP
 .B epjitsu
@@ -250,7 +244,7 @@ The epjitsu backend provides support for Epson-based Fujitsu USB scanners. See
 for details.
 .TP
 .B epson
-The SANE epson backend provides support for Epson SCSI, parallel port and USB
+The epson backend provides support for Epson SCSI, parallel port and USB
 flatbed scanners. See
 .BR sane\-epson (5)
 for details.
@@ -277,68 +271,68 @@ and Trust scanners are also supported. See
 for details.
 .TP
 .B hp
-The SANE hp backend provides access to Hewlett-Packard ScanJet scanners which
+The hp backend provides access to Hewlett-Packard ScanJet scanners which
 support SCL (Scanner Control Language by HP). See
 .BR sane\-hp (5)
 for details.
 .TP
 .B hpsj5s
-The SANE backend for the Hewlett-Packard ScanJet 5S scanner. See
+The backend for the Hewlett-Packard ScanJet 5S scanner. See
 .BR sane\-hpsj5s (5)
 for details.
 .TP
 .B hp3500
-The SANE backend for the Hewlett-Packard ScanJet 3500 series. See
+The backend for the Hewlett-Packard ScanJet 3500 series. See
 .BR sane\-hp3500 (5)
 for details.
 .TP
 .B hp3900
-The SANE backend for the Hewlett-Packard ScanJet 3900 series. See
+The backend for the Hewlett-Packard ScanJet 3900 series. See
 .BR sane\-hp3900 (5)
 for details.
 .TP
 .B hp4200
-The SANE backend for the Hewlett-Packard ScanJet 4200 series. See
+The backend for the Hewlett-Packard ScanJet 4200 series. See
 .BR sane\-hp4200 (5)
 for details.
 .TP
 .B hp5400
-The SANE backend for the Hewlett-Packard ScanJet 54XXC series. See
+The backend for the Hewlett-Packard ScanJet 54XXC series. See
 .BR sane\-hp5400 (5)
 for details.
 .TP
 .B hpljm1005
-The SANE backend for the Hewlett-Packard LaserJet M1005 scanner. See
+The backend for the Hewlett-Packard LaserJet M1005 scanner. See
 .BR sane\-hpljm1005(5)
 for details.
 .TP
 .B hs2p
-The SANE backend for the Ricoh IS450 family of SCSI scanners. See
+The backend for the Ricoh IS450 family of SCSI scanners. See
 .BR sane\-hs2p (5)
 for details.
 .TP
 .B ibm
-The SANE backend for some IBM and Ricoh SCSI scanners. See
+The backend for some IBM and Ricoh SCSI scanners. See
 .BR sane\-ibm (5)
 for details.
 .TP
 .B kodak
-The SANE backend for some large Kodak scanners. See
+The backend for some large Kodak scanners. See
 .BR sane\-kodak (5)
 for details.
 .TP
 .B kodakaio
-The SANE backend for Kodak AiO printer/scanners. See
+The backend for Kodak AiO printer/scanners. See
 .BR sane\-kodakaio (5)
 for details.
 .TP
 .B kvs1025
-The SANE backend for Panasonic KV-S102xC scanners. See
+The backend for Panasonic KV-S102xC scanners. See
 .BR sane\-kvs1025 (5)
 for details.
 .TP
 .B leo
-This backend supports the Leo S3 and the Across FS-1130, which is a re-badged
+This backend supports the LEO S3 and the Across FS-1130, which is a re-badged
 LEO FS-1130 scanner. See
 .BR sane\-leo (5)
 for details.
@@ -376,7 +370,7 @@ SCSI-2 command set. See
 for details.
 .TP
 .B mustek
-The SANE mustek backend supports most Mustek SCSI flatbed scanners including the
+The mustek backend supports most Mustek SCSI flatbed scanners including the
 Paragon and ScanExpress series and the 600 II N and 600 II EP (non-SCSI). Some
 Trust scanners are also supported. See
 .BR sane\-mustek (5)
@@ -401,7 +395,7 @@ chipset like the Mustek BearPaw 2448 TA Pro USB flatbed scanner. See
 for details.
 .TP
 .B nec
-The SANE nec backend supports the NEC PC-IN500/4C SCSI scanner. See
+The nec backend supports the NEC PC-IN500/4C SCSI scanner. See
 .BR sane\-nec (5)
 for details.
 .TP
@@ -412,7 +406,7 @@ The niash backend supports the Agfa Snapscan Touch and the HP ScanJet 3300c,
 for details.
 .TP
 .B p5
-The SANE backend for Primax PagePartner. See
+The backend for Primax PagePartner. See
 .BR sane\-p5 (5)
 for details.
 .TP
@@ -430,7 +424,7 @@ CanoScan series. See
 for details.
 .TP
 .B plustek
-The SANE plustek backend supports USB flatbed scanners that use the National
+The plustek backend supports USB flatbed scanners that use the National
 Semiconductor LM983[1/2/3] chipset aka Merlin. Scanners using this LM983x chips
 include some models from Plustek, KYE/Genius, Hewlett-Packard, Mustek, Umax,
 Epson, and Canon. See
@@ -438,7 +432,7 @@ Epson, and Canon. See
 for details.
 .TP
 .B plustek_pp
-The SANE plustek_pp backend supports Plustek parallel port flatbed scanners.
+The plustek_pp backend supports Plustek parallel port flatbed scanners.
 Scanners using the Plustek ASIC P96001, P96003, P98001 and P98003 include some
 models from Plustek, KYE/Genius, Primax. See
 .BR sane\-plustek_pp (5)
@@ -467,17 +461,17 @@ The sceptre backend provides access to the Sceptre S1200 flatbed scanner. See
 for details.
 .TP
 .B sharp
-The SANE sharp backend supports Sharp SCSI scanners. See
+The sharp backend supports Sharp SCSI scanners. See
 .BR sane\-sharp (5)
 for details.
 .TP
 .B sm3600
-The SANE sm3600 backend supports the Microtek ScanMaker 3600 USB scanner. See
+The sm3600 backend supports the Microtek ScanMaker 3600 USB scanner. See
 .BR sane\-sm3600 (5)
 for details.
 .TP
 .B sm3840
-The SANE sm3840 backend supports the Microtek ScanMaker 3840 USB scanner.  See
+The sm3840 backend supports the Microtek ScanMaker 3840 USB scanner.  See
 .BR sane\-sm3840 (5)
 for details.
 .TP
@@ -492,49 +486,49 @@ This backend supports the Fujitsu FCPA ScanPartner 15C flatbed scanner. See
 for details.
 .TP
 .B st400
-The sane\-st400 backend provides access to Siemens ST400 and ST800. See
+The st400 backend provides access to Siemens ST400 and ST800. See
 .BR sane\-st400 (5)
 for details.
 .TP
 .B tamarack
-The SANE tamarack backend supports Tamarack Artiscan flatbed scanners. See
+The tamarack backend supports Tamarack Artiscan flatbed scanners. See
 .BR sane\-tamarack (5)
 for details.
 .TP
 .B teco1 teco2 teco3
-The SANE teco1, teco2 and teco3 backends support some TECO scanners,
+The teco1, teco2 and teco3 backends support some TECO scanners,
 usually sold under the Relisys, Trust, Primax, Piotech, Dextra
 names. See
 .BR sane\-teco1 "(5), " sane\-teco2 "(5) and " sane\-teco3 (5)
 for details.
 .TP
 .B u12
-The sane\-u12 backend provides USB flatbed scanners based on Plustek's ASIC 98003
+The u12 backend provides USB flatbed scanners based on Plustek's ASIC 98003
 (parallel-port ASIC) and a GeneSys Logics' USB-parport bridge chip like the
 Plustek OpticPro U(T)12. See
 .BR sane\-u12 (5)
 for details.
 .TP
 .B umax
-The sane\-umax backend provides access to several UMAX-SCSI-scanners and some
+The umax backend provides access to several UMAX-SCSI-scanners and some
 Linotype Hell SCSI-scanners. See
 .BR sane\-umax (5)
 for details.
 .TP
 .B umax_pp
-The sane\-umax_pp backend provides access to Umax parallel port flatbed scanners
+The umax_pp backend provides access to Umax parallel port flatbed scanners
 and the HP 3200C. See
 .BR sane\-umax_pp (5)
 for details.
 .TP
 .B umax1200u
-The sane\-umax1220u backend supports the UMAX Astra 1220U (USB) flatbed scanner
+The umax1220u backend supports the UMAX Astra 1220U (USB) flatbed scanner
 (and also the UMAX Astra 2000U, sort of). See
 .BR sane\-umax1220u (5)
 for details.
 .TP
 .B xerox_mfp
-The sane\-xerox_mfp backend supports multiple Samsung-based Samsung, Xerox, and Dell
+The xerox_mfp backend supports multiple Samsung-based Samsung, Xerox, and Dell
 scanners. See
 .BR sane\-xerox_mfp (5)
 for details.
@@ -552,15 +546,15 @@ Backend for Kodak DC210 Digital Camera. See
 .TP
 .B dc240
 Backend for Kodak DC240 Digital Camera. See
-.BR sane\-dc240 (5).
+.BR dc240 (5).
 .TP
 .B dc25
 Backend for Kodak DC20/DC25 Digital Cameras. See
-.BR sane\-dc25 (5).
+.BR dc25 (5).
 .TP
 .B dmc
 Backend for the Polaroid Digital Microscope Camera. See
-.BR sane\-dmc (5).
+.BR dmc (5).
 .TP
 .B gphoto2
 Backend for digital cameras supported by the gphoto2 library package.  (See
@@ -570,15 +564,15 @@ for more information and a list of supported cameras.)  Gphoto2 supports over
 testing is needed before all of these cameras will be supported by
 .B SANE
 backend.  See
-.BR sane\-gphoto2 (5).
+.BR gphoto2 (5).
 .TP
 .B qcam
 Backend for Connectix QuickCam cameras. See
-.BR sane\-qcam (5).
+.BR qcam (5).
 .TP
 .B stv680
-The sane\-stv680 backend provides access to webcams with a stv680 chip. See
-.BR sane\-stv680 (5)
+The stv680 backend provides access to webcams with a stv680 chip. See
+.BR stv680 (5)
 for details.
 .PP
 Also, have a look at the backend information page at
@@ -589,7 +583,7 @@ and the list of projects in
 .SH "MISCELLANEOUS BACKENDS"
 .TP 2
 .B dll
-The sane\-dll library implements a
+The dll library implements a
 .B SANE
 backend that provides access to an arbitrary number of other
 .B SANE
@@ -628,7 +622,7 @@ installation.  It provides test pictures and various test options. See
 .BR sane\-test (5).
 .TP
 .B v4l
-The sane\-v4l library implements a
+The v4l library implements a
 .B SANE
 backend that provides generic access to video cameras and similar equipment
 using the
@@ -742,7 +736,7 @@ Some backends are commented out by default. Remove the comment sign for your
 backend in this case. Also some backends aren't compiled at all if one of their
 prerequisites are missing. Examples include dc210, dc240, canon_pp, hpsj5s,
 gphoto2, pint, qcam, v4l, net, sm3600, snapscan, pnm. If you need one of these
-backends and they aren't available, read the build instructions in the
+backends and it isn't available, read the build instructions in the
 .B README
 file and the individual manual pages of the backends.
 .PP
@@ -762,9 +756,7 @@ debugging.  The environment variables are documented in the
 relevant manual pages.  For example, to get the maximum amount of debug
 information when testing a Mustek SCSI scanner, set environment variables
 .BR SANE_DEBUG_DLL ", " SANE_DEBUG_MUSTEK ", and " SANE_DEBUG_SANEI_SCSI
-to 128 and then invoke
-.B scanimage
-.B \-L .
+to 128 and then invoke \fBscanimage \-L\fR.
 The debug messages for the dll backend tell if the mustek backend was found
 and loaded at all. The mustek messages explain what the mustek backend is
 doing while the SCSI debugging shows the low level handling. If you can't find
@@ -798,11 +790,11 @@ You should get a list of PASSed tests. You can do the same with your backend
 by changing "test" to your backend's name.
 .PP
 So now scanning with
-.B scanimage
+.B scanimage(1)
 works and you want to use one of the graphical frontends like
-.BR xsane ,
-.BR xscanimage ", or"
-.B quiteinsane
+.BR xsane(1) ,
+.BR xscanimage(1) ", or"
+.B quiteinsane(1)
 but those frontends don't detect your scanner? One reason may be that you
 installed two versions of
 .BR SANE .
@@ -863,8 +855,9 @@ for details).
 .BR sane\-canon_dr (5),
 .BR sane\-canon_pp (5),
 .BR sane\-cardscan (5),
-.BR sane\-coolscan2 (5),
 .BR sane\-coolscan (5),
+.BR sane\-coolscan2 (5),
+.BR sane\-coolscan3 (5),
 .BR sane\-dc210 (5),
 .BR sane\-dc240 (5),
 .BR sane\-dc25 (5),