userdiff: fix grammar and style issues

diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh
index ed24aa9d2f16a4eb600fc3298ebeb931f9fb6c9c..6de74ce639cec90fcf7ba1797825526df675547a 100755 (executable)
--- a/git-gui/git-gui.sh
+++ b/git-gui/git-gui.sh
@@ -2501,9 +2501,28 @@ proc toggle_or_diff {mode w args} {
                set pos [split [$w index @$x,$y] .]
                foreach {lno col} $pos break
        } else {
+               if {$mode eq "toggle"} {
+                       if {$w eq $ui_workdir} {
+                               do_add_selection
+                               set last_clicked {}
+                               return
+                       }
+                       if {$w eq $ui_index} {
+                               do_unstage_selection
+                               set last_clicked {}
+                               return
+                       }
+               }
+
                if {$last_clicked ne {}} {
                        set lno [lindex $last_clicked 1]
                } else {
+                       if {![info exists file_lists]
+                               || ![info exists file_lists($w)]
+                               || [llength $file_lists($w)] == 0} {
+                               set last_clicked {}
+                               return
+                       }
                        set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
                }
                if {$mode eq "toggle"} {
@@ -2514,7 +2533,13 @@ proc toggle_or_diff {mode w args} {
                }
        }
 
-       set path [lindex $file_lists($w) [expr {$lno - 1}]]
+       if {![info exists file_lists]
+               || ![info exists file_lists($w)]
+               || [llength $file_lists($w)] < $lno - 1} {
+               set path {}
+       } else {
+               set path [lindex $file_lists($w) [expr {$lno - 1}]]
+       }
        if {$path eq {}} {
                set last_clicked {}
                return
@@ -3842,6 +3867,7 @@ bind .   <$M1B-Key-equal> {show_more_context;break}
 bind .   <$M1B-Key-plus> {show_more_context;break}
 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
 bind .   <$M1B-Key-Return> do_commit
+bind .   <$M1B-Key-KP_Enter> do_commit
 foreach i [list $ui_index $ui_workdir] {
        bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
        bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }