Molden command line zmatrix editor

 Hallo
does anybody know a list of command line instructions for the Molden Z-Matrix editor? 
 For example with ctrl-u I delete a field  (bond lenght or angle)
 but for example how do you add an atom to the Z-Matrix from keyboard?
Using the mouse is extremely tiresome and these things are not written in the Molden tutorial 
 Thanks in advance
 Angelo
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Angelo Vargas Institute for Chemical and Bio Engineering 
 Swiss Federal Institute of Technology (ETHZ)
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E-mail: vargas' at \`tech.chem.ethz.ch http://mercury.ethz.ch/members/vargas/ 
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