[Amforth] Didn't cut and past well... see previous post.

[Stephen S. <dee...@gm...>]

*amforth 6.9 ATmega328P Forthduino*

*> 3 4 + .*

*7  ok*

*> : x2 dup + ;*

* ok*

*> 2 x2 .*

*amforth 6.9 ATmega328P Forthduino*

*> 2 x2 .*

*amforth 6.9 ATmega328P Forthduino*

*> 3 4 + .*

*amforth 6.9 ATmega328P Forthduino*