nput file. 
   Changes after the last save will be lost except for a 
   safety save of the current content into PARAMFILE.bak

<li><INPUT TYPE=SUBMIT VALUE=OPEN>: 
   open another input file. Changes after the last save will 
   be lost except for a safety save of the current content into PARAMFILE.bak

<li><INPUT TYPE=SUBMIT VALUE="DELETE CLIPBOARD">:
   delete the content of the clipboard so that it is not saved into the 
   parameter file after the #END command.

<li><INPUT TYPE=SUBMIT VALUE="SAVE AND E