diff --git a/inxi b/inxi
index 03f4183..26176b6 100755
--- a/inxi
+++ b/inxi
@@ -2551,7 +2551,7 @@ detect_desktop_environment()
 	# note, GNOME_DESKTOP_SESSION_ID is deprecated so we'll see how that works out
 	# https://bugzilla.gnome.org/show_bug.cgi?id=542880
 	if [[ -n $GNOME_DESKTOP_SESSION_ID ]]; then
-		version="$( get_de_version 'gnome-about' 'gnome' '3' )"
+		version=$( get_de_version 'gnome-about' 'gnome' '3' )
 		if [[ $B_EXTRA_DATA == 'true' ]];then
 			# this is a hack, and has to be changed with every toolkit version change
 			toolkit=$( pkg-config --modversion gtk+-3.0 2>/dev/null )
@@ -2595,7 +2595,7 @@ detect_desktop_environment()
 	elif [[ $KDE_FULL_SESSION == 'true' ]]; then
 		version_data=$( kded --version 2>/dev/null )
 		version=$( grep -si '^KDE:' <<< "$version_data" | gawk '{print $2}' )
-		# version="$( get_de_version 'kded' '^KDE:' '2' )"
+		# version=$( get_de_version 'kded' '^KDE:' '2' )
 		if [[ -z $version ]];then
 			version='3.5'
 		fi
@@ -2614,27 +2614,41 @@ detect_desktop_environment()
 			xprop_root="$( xprop -root 2>/dev/null )"
 			# String: "This is xfdesktop version 4.2.12"
 			if [[ -n $( grep -Eis '\"xfce4\"' <<< "$xprop_root" ) ]];then
-				version="$( get_de_version 'xfdesktop' 'xfdesktop[[:space:]]version' '5' )"
+				version=$( get_de_version 'xfdesktop' 'xfdesktop[[:space:]]version' '5' )
 				if [[ -z $version ]];then
 					version='4'
+				else
+					if [[ $B_EXTRA_DATA == 'true' ]];then
+						toolkit=$( get_de_version 'xfdesktop' 'Built[[:space:]]with[[:space:]]GTK' '4' )
+						if [[ -n $toolkit ]];then
+							version="$version (GTK+ $toolkit)"
+						fi
+					fi
 				fi
 				desktop_environment="Xfce"
 			# when 5 is released, the string may need updating
 			elif [[ -n $( grep -is '\"xfce5\"' <<< "$xprop_root" ) ]];then
-				version="$( get_de_version 'xfdesktop' 'xfdesktop[[:space:]]version' '5' )"
+				version=$( get_de_version 'xfdesktop' 'xfdesktop[[:space:]]version' '5' )
 				if [[ -z $version ]];then
 					version='5'
+				else
+					if [[ $B_EXTRA_DATA == 'true' ]];then
+						toolkit=$( get_de_version 'xfdesktop' 'Built[[:space:]]with[[:space:]]GTK' '4' )
+						if [[ -n $toolkit ]];then
+							version="$version (GTK+ $toolkit)"
+						fi
+					fi
 				fi
 				desktop_environment="Xfce"
 			elif [[ -n $( grep -is 'BLACKBOX_PID' <<< "$xprop_root" ) ]];then
 				if [[ -n $( grep -is 'fluxbox' <<< "$ps_aux" | grep -v 'grep' ) ]];then
-					version="$( get_de_version 'fluxbox' 'fluxbox[[:space:]]([[:digit:]]|GIT)' '2' )"
+					version=$( get_de_version 'fluxbox' 'fluxbox[[:space:]]([[:digit:]]|GIT)' '2' )
 					desktop_environment='Fluxbox'
 				else
 					desktop_environment='Blackbox'
 				fi
 			elif [[ -n $( grep -is 'OPENBOX_PID' <<< "$xprop_root" ) ]];then
-				version="$( get_de_version 'openbox' 'openbox[[:space:]]([[:digit:]]|GIT)' '2' )"
+				version=$( get_de_version 'openbox' 'openbox[[:space:]]([[:digit:]]|GIT)' '2' )
 				if [[ -n $( grep -is 'lxde' <<< "$ps_aux" | grep -v 'grep' ) ]];then
 					if [[ -n $version ]];then
 						version=" (Openbox$version)"
@@ -2644,23 +2658,23 @@ detect_desktop_environment()
 					desktop_environment='Openbox'
 				fi
 			elif [[ -n $( grep -is 'ICEWM' <<< "$xprop_root" ) ]];then
-				version="$( get_de_version 'icewm' 'icewm[[:space:]]([[:digit:]]|GIT)' '2' )"
+				version=$( get_de_version 'icewm' 'icewm[[:space:]]([[:digit:]]|GIT)' '2' )
 				desktop_environment='IceWM'
 			fi
 		fi
 		# a few manual hacks for things that don't id with xprop, these are just good guesses
 		if [[ -z $desktop_environment ]];then
 			if [[ -n $( grep -is 'fvwm-crystal'  <<< "$ps_aux" | grep -v 'grep' ) ]];then
-				version="$( get_de_version 'fvwm' 'fvwm[[:space:]]([[:digit:]]|GIT)' '2' )"
+				version=$( get_de_version 'fvwm' 'fvwm[[:space:]]([[:digit:]]|GIT)' '2' )
 				desktop_environment='FVWM-Crystal'
 			elif [[ -n $( grep -is 'fvwm'  <<< "$ps_aux" | grep -v 'grep' ) ]];then
-				version="$( get_de_version 'fvwm' 'fvwm[[:space:]]([[:digit:]]|GIT)' '2' )"
+				version=$( get_de_version 'fvwm' 'fvwm[[:space:]]([[:digit:]]|GIT)' '2' )
 				desktop_environment='FVWM'
 			elif [[ -n $( grep -is 'pekwm'  <<< "$ps_aux" | grep -v 'grep' ) ]];then
-				version="$( get_de_version 'pekwm' 'pekwm.*([[:digit:]]|GIT)' '3' )"
+				version=$( get_de_version 'pekwm' 'pekwm.*([[:digit:]]|GIT)' '3' )
 				desktop_environment='pekwm'
 			elif [[ -n $( grep -is 'awesome' <<< "$ps_aux" | grep -v 'grep' ) ]];then
-				version="$( get_de_version 'awesome' 'awesome' '2' )"
+				version=$( get_de_version 'awesome' 'awesome' '2' )
 				desktop_environment='Awesome'
 			fi
 		fi
@@ -2672,6 +2686,7 @@ detect_desktop_environment()
 	eval $LOGFE
 }
 
+# note: gawk doesn't support white spaces in search string, gave errors, so use [[:space:]] instead
 # args: $1 - desktop command for --version; $2 - search string; $3 - gawk print number
 get_de_version()
 {