Merge branch 'maint'

* maint:
  Revert "Make the installation target of git-gui a little less chatty"
  git-gui: Verify Tcl/Tk is new enough for our needs
  git-gui: Attach font_ui to all spinbox widgets

git-gui.sh

@@ -20,6 +20,22 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
 
+######################################################################
+##
+## Tcl/Tk sanity check
+
+if {[catch {package require Tcl 8.4} err]
+ || [catch {package require Tk  8.4} err]
+} {
+	catch {wm withdraw .}
+	tk_messageBox \
+		-icon error \
+		-type ok \
+		-title "git-gui: fatal error" \
+		-message $err
+	exit 1
+}
+
 ######################################################################
 ##
 ## enable verbose loading?
@@ -1228,7 +1244,7 @@ font create font_diffbold
 
 foreach class {Button Checkbutton Entry Label
 		Labelframe Listbox Menu Message
-		Radiobutton Text} {
+		Radiobutton Spinbox Text} {
 	option add *$class.font font_ui
 }
 unset class