Issue with block "terminal receive 32 bit number store in x"

When I tried my blockly program "text_to_speech_demo"
blockly.parallax.com/blockly/my/projects.jsp#3982

I found that the subject block had changed in operation. When I previously entered a number in the terminal window, the number showed up once. Now when I enter a number (such as 45) each keystroke is echoed back to the terminal window. So it shows up as 4455. The number received by the program is correct.

I just tried with the "terminal receive text store in" block and the same thing happens. Entered characters,numbers or text show double in the terminal window.

Is there a way to prevent the terminal from echoing keystrokes?

Thanks
Tom