On Tuesday, June 25, 2013 4:19:43 PM UTC-6, willle... at gmail.com wrote: >[...] > na=('type first integer n\')##THE RED SHADOW APPEARS HERE## You want \n at the end of the string, not n\. A backslash character \ in front of the ' escapes the ' and causes it to to be considered as a character in the string rather than ending the string.