Li: renamed scan -> spec

pub/configure

pub/src/Makefile.am

pub/src/Makefile.in

pub/src/curve.cpp

pub/src/curve.h

pub/src/dualplot.cpp

pub/src/dualplot.h

pub/src/edif.cpp

pub/src/expr.cpp

pub/src/expr.h

pub/src/file_in.cpp

pub/src/file_out.cpp

pub/src/frida2.cpp

pub/src/func.cpp

pub/src/manip.cpp

pub/src/manip.h

pub/src/olm.cpp

pub/src/olm.h

pub/src/opr.cpp

pub/src/rssm.cpp