set cmd [list tk_messageBox \
                -icon error \
                -type ok \
-               -title "$title: error" \
+               -title [append "$title: " [mc "error"]] \
                -message $msg]
        if {[winfo ismapped .]} {
                lappend cmd -parent .
        set cmd [list tk_messageBox \
                -icon warning \
                -type ok \
-               -title "$title: warning" \
+               -title [append "$title: " [mc "warning"]] \
                -message $msg]
        if {[winfo ismapped .]} {
                lappend cmd -parent .
                -font font_diff \
                -yscrollcommand [list $w.m.sby set]
        label $w.m.l2 \
-               -text {You must correct the above errors before committing.} \
+               -text [mc "You must correct the above errors before committing."] \
                -anchor w \
                -justify left \
                -font font_uibold
 
        bind $w <Visibility> "grab $w; focus $w"
        bind $w <Key-Return> "destroy $w"
-       wm title $w "[appname] ([reponame]): error"
+       wm title $w [append "[appname] ([reponame]): " [mc "error"]]
        tkwait window $w
 }