2. Missing ";" will result in strange translation errors:

    Switch aa A '0' ZERO
    Not aa A nA;

Translation Complete!
  majority --> /home/cheung/teaching/web/355/demo-Bashan/translated.cc
Compiling the following file(s) and creating an executable file:
  /home/cheung/teaching/web/355/demo-Bashan/translated.cc ---> /home/cheung/teaching/web/355/demo-Bashan/edisim
Compile failed, see the error output details: 
translated.cc: In function ???int simnet()???:
translated.cc:14:24: error: ???Zeronot??? was not declared in this scope
                               ^^^^^^^^^
  Switch ("aa", A, '0', Zeronot);


   Fix: 
       the translator checks each input line
       if the line does not end in ";",
       then:
             print out: "Warning: line # does not end in ';'; assume 
                         circuit continues on next line"

   This will help student find errors IF they forgot ";"


================

Add a note to the documentation:

  Warning: do NOT use a Probe component inside a self-defined component

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