X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=lib%2Fchoose_rev.tcl;h=c8821c146386f850c0794df70f605cd9f18dcff3;hb=fbbdaa5f425417e7fee83f543b1d03806f034cab;hp=5e833a53764ad495f5d7753eb52673e02b73289e;hpb=4baba57f8d7bfee85ca1e521e1f6069923504799;p=git.git

diff --git a/lib/choose_rev.tcl b/lib/choose_rev.tcl
index 5e833a537..c8821c146 100644
--- a/lib/choose_rev.tcl
+++ b/lib/choose_rev.tcl
@@ -314,7 +314,7 @@ method commit_or_die {} {
 		}
 
 		set top [winfo toplevel $w]
-		set msg [append [mc "Invalid revision: %s" [get $this]] "\n\n$err"]
+		set msg [strcat [mc "Invalid revision: %s" [get $this]] "\n\n$err"]
 		tk_messageBox \
 			-icon error \
 			-type ok \
@@ -451,7 +451,8 @@ method _sb_set {sb orient first last} {
 			focus $old_focus
 		}
 	}
-	$sb set $first $last
+
+	catch {$sb set $first $last}
 }
 
 method _show_tooltip {pos} {