|  |  7.10.6.3 ncVarsAdd Procedure from libraryncrat.lib(see  ncrat_lib).
 
Example:Usage:
ncVarsAdd(vars);
list vars contains variables
 
Returns:
sets list elements as nc variables
 |  | LIB "ncrat.lib";
ncInit(list("x", "y", "z"));
ncVarsGet();
==> x,y,z
ncVarsAdd(list("a", "b", "c"));
==> // ** killing the basering for level 0
ncVarsGet();
==> x,y,z,a,b,c
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