=begin
遠藤です。

アスキー非互換な文字列を String#dump すると eval できない文字列が
得られました。

$ ./ruby -e 'p "\u3042".encode("UTF-16LE").dump'
""B0".force_encoding("UTF-16LE"\x00"

Index: string.c¶

--- string.c (revision 23159)
+++ string.c (working copy)
@@ -4291,7 +4291,7 @@

  result = rb_str_new5(str, 0, len);
  p = RSTRING_PTR(str); pend = p + RSTRING_LEN(str);

• q = RSTRING_PTR(result); qend = q + len;

• q = RSTRING_PTR(result); qend = q + len + 1;

  *q++ = '"';
  while (p < pend) {
  Index: test/ruby/test_m17n.rb
  ===================================================================
  --- test/ruby/test_m17n.rb (revision 23159)
  +++ test/ruby/test_m17n.rb (working copy)
  @@ -241,6 +241,9 @@
  u("\xfc"),
  "\u3042",
  "ascii",

•  "\u3042".encode("UTF-16LE"),
  

•  "\u3042".encode("UTF-16BE"),
  

  ].each do |str|
  assert_equal(str, eval(str.dump), "[ruby-dev:33142]")
  end

--
Yusuke ENDOH [email protected]
=end