<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1426600926000_38384">When running the following code, when manually typed in, there is no error. However, when the same is pasted from the keyboard buffer, the error indicated appears.</div><div><br></div><div id="yui_3_16_0_1_1426600926000_38386" dir="ltr">Comments?</div><div id="yui_3_16_0_1_1426600926000_38387" dir="ltr"><br></div><div id="yui_3_16_0_1_1426600926000_38474" dir="ltr">Thanks, Steve</div><div id="yui_3_16_0_1_1426600926000_38388" dir="ltr"><br></div><div id="yui_3_16_0_1_1426600926000_38389" dir="ltr">===</div><div id="yui_3_16_0_1_1426600926000_38390" dir="ltr"><br></div><div id="yui_3_16_0_1_1426600926000_38391" dir="ltr">C:\Users\Steve>racket<br style="" class="">Welcome to Racket v6.0.1.</div><div id="yui_3_16_0_1_1426600926000_38448" dir="ltr">;; Typed in<br style="" class="">> (define (tarai x y z)<br style="" class=""> (if (<= x y)<br style="" class=""> y<br style="" class=""> (tarai (tarai (- x 1) y z)<br style="" class=""> (tarai (- y 1) z x)<br style="" class=""> (tarai (- z 1) x y))))<br style="" class="">> (time (tarai 12 6 0))<br style="" class="">cpu time: 265 real time: 271 gc time: 0<br style="" class="">12<br style="" class="">><br style="" class=""><br style="" class="">===<br style="" class=""><br style="" class="">C:\Users\Steve>racket<br style="" class="">Welcome to Racket v6.0.1.<br style="" class="">;; Pasted in</div><div id="yui_3_16_0_1_1426600926000_38461" dir="ltr">> (define (tarai x y z)<br style="" class=""> (if (<= x y)<br style="" class=""> y<br style="" class=""> (tarai (tarai (- x 1) y z)<br style="" class=""> (tarai (- y 1) z x)<br style="" class=""> (tarai (- z 1) x y))))<br style="" class="">> (time (tarai 12 6 0))<br style="" class="">R: undefined;<br style="" class=""> cannot reference undefined identifier<br style="" class="">> (tarai 12 6 0)<br style="" class="">R: undefined;<br style="" class=""> cannot reference undefined identifier<br style="" class="">><br style="" class=""><br style="" class=""><br style="" class=""><br style="" class=""><br></div><div id="yui_3_16_0_1_1426600926000_38314"><br></div></div></body></html>