Trap() with String command dosn't work(1.8/1.9)

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1.8 e$B$He(B 1.9 e$B$G$=$l$>$l0[$J$k%(%i!<FbMF$K$J$j$^$9!#e(B
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$ cat traptest.rb
Signal.trap(:INT, “p true”)
loop do
sleep
end

$ ruby-1.8.6 -v traptest.rb
ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-linux]
true # <= Ctrl-C
traptest.rb:4: unexpected return

$ ~/env/ruby-head/bin/ruby -v traptest.rb
ruby 1.9.0 (2007-01-09 patchlevel 0) [i686-linux]

<- Ctrl-C

traptest.rb:4:in sleep': wrong argument type String (expected Data) (TypeError) from traptest.rb:4:inblock in ’
from traptest.rb:3:in loop' from traptest.rb:3:in

$ ruby1.8 -v hoge.rb
ruby 1.8.0 (2003-08-10) [i386-linux]
true # <= Ctrl-C
true # <= Ctrl-C

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e$B$J$+$@$G$9!#e(B

At Fri, 25 May 2007 19:59:48 +0900,
Chikanaga Tomoyuki wrote in [ruby-dev:30820]:

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e$B$d$C$F$_$k$H$&$^$/F0$$$F$$$J$$$h$&$G$9!#e(B

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1.8 e$B$He(B 1.9 e$B$G$=$l$>$l0[$J$k%(%i!<FbMF$K$J$j$^$9!#e(B

1.9e$B$G$OJ8;zNs$Oe(B"DEFAULT",“IGNORE”,"EXIT"e$B$J$I0J30$OIT2D$K$J$j$^e(B
e$B$7$?!#e(B

e$B8_49@-$NOC$+$H4*0c$$$7$F$^$7$?!#e(B

$ ruby-1.8.6 -v traptest.rb
ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-linux]
true # <= Ctrl-C
traptest.rb:4: unexpected return

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Index: eval.c

— eval.c (revision 12396)
+++ eval.c (working copy)
@@ -1866,5 +1866,5 @@ rb_eval_cmd(cmd, arg, level)
POP_FRAME();

  • jump_tag_but_local_jump(state, val);
  • if (state) jump_tag_but_local_jump(state, val);
    return val;
    }