updated translations; back out change allowing quoted characters and process substitution words in function names; rework readline change for GNU Hurd and ncurses

tests/exec3.sub

@@ -60,12 +60,14 @@ rm -f x.sh x.output
 cat << \EOF > x.sh
 argmax=$(getconf ARG_MAX 2>/dev/null)
 if (( argmax <= 0 )); then
-        argmax=1048576
+	echo "exec3.sub: getconf ARG_MAX failed, skipping E2BIG test" >&2
+	exit 1
 fi
-v=$(echo {1..250000})
-while (( ${#v} < $argmax )); do
-        v+=$(echo {250001..350000})
-done
+if (( argmax > (2**31) )); then
+	echo "exec3.sub: ARG_MAX too large: $argmax, skipping E2BIG test" >&2
+	exit 0
+fi
+printf -v v %.*u "$argmax" 0
 export v
 exec ${THIS_SH} </dev/null
 EOF