update problem?

#!/bin/sh
# If running in a UNIX shell, restart wish on the next line \
exec wish "$0" ${1+"$@"}


# a proc to keep the window up to date
set ::i18n_ru {
    !C \u0427 !S \u0428 !T \u0429 Q \u042A  H \u042C !E \u042D
    !U \u042E  !A \u042F !O \u0401
    A \u0410 B \u0411 V \u0412 G \u0413 D \u0414 E \u0415 !Z \u0416 Z \u0417
    I \u0418 J \u0419 K \u041A L \u041B M \u041C N \u041D O \u041E P \u041F
    R \u0420 S \u0421 T \u0422 U \u0423 F \u0424 X \u0425 C \u0426 Y \u042B
    !c \u0447  !s \u0448 !t \u0449 q \u044A  h \u044C !e \u044D
    !u \u044E  !a \u044F  !o \u0451
    a \u0430 b \u0431 v \u0432 g \u0433 d \u0434 e \u0435 !z \u0436 z \u0437
    i \u0438 j \u0439 k \u043A l \u043B m \u043C n \u043D o \u043E p \u043F
    r \u0440 s \u0441 t \u0442 u \u0443 f \u0444 x \u0445 c \u0446 y \u044B
}

proc ruslish stg {
   return [string map $::i18n_ru $stg]
}


proc update {} {
   .out delete 1.0 end
   .out insert 1.0 [ruslish [.in get 1.0 end]]
}


# a nice little window
label .help -text "Enter some text:"
text .in -width 40 -height 4 -relief sunken
text .out -width 40 -height 4 -relief raised

pack .help -anchor w
pack .in .out -fill both -expand true -padx 3 -pady 3

wm title . "Ruslish Applet"
focus .in
bind .in <Key> update