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

diff --cc git-gui.sh
index 264d9ff042d2250b98800ecdf77e33ebe2b8bde3,cc1625bfac11e575a6155eaf9f227a91c637de9d..7488a397a34a270a7b3a9c40c16dc66b853c064f
--- 1/git-gui.sh
--- 2/git-gui.sh
+++ b/git-gui.sh
@@@ -20,24 -20,22 +20,40 @@@ You should have received a copy of the 
  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?
 +
 +if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
 +      unset _verbose
 +      rename auto_load real__auto_load
 +      proc auto_load {name args} {
 +              puts stderr "auto_load $name"
 +              return [uplevel 1 real__auto_load $name $args]
 +      }
 +      rename source real__source
 +      proc source {name} {
 +              puts stderr "source    $name"
 +              uplevel 1 real__source $name
 +      }
 +}
 +
  ######################################################################
  ##
  ## configure our library