infinite loop when using read_mini

["Marvin Lyndon" <marvin.lyndon@xxxxxxxxxxx>]

Dear jed users

Consider a small file called test.sl

-------
define test()
{
  variable input;

  do
    {
       try {input = read_mini("type something","","");}

       catch UserBreakError: {return "";}
    } while (strlen(input) == 0);

  return input;
}

() = test();
--------------------

The reason I why I am trying to catch the user break is because in the 
non-test case version there is some slang code which should be executed 
after this function returns, even if the user breaked.

If I run

$ jed -l ./test.sl

and press Ctrl-G at the prompt, jed prints "Quit!" to the minibuffer and 
seems to hang there. What is really strange is that this does not happen if 
I don't call the function test() from within the slang file (ie, if I remove 
the last line of the file above) but instead call it from jed's slang prompt 
(by pressing Meta-X). There, generating a user break works as expected: 
test() returns "" and the code which follows the call to this function gets 
executed.

Can anyone reproduce this problem? Why does a function called from a file 
behave differently from the same function called from the prompt? I'm using 
the latest jed version with slang 2.0.5.

Thanks

Marv

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