old_contents: """This module defines special symbols f, s, t, and omega.
  
  Copyright 2014--2020 Michael Hayes, UCECE
  
  """
  
  # The following are Lcapy expressions.  For example, f is an
  # FourierDomainExpression object wrapping the fsym symbol.
  from .fexpr import f
  from .texpr import t
  from .sexpr import s
  from .omegaexpr import omega, omega0
  
  # Import common SymPy symbols.
  from .sym import pi, j, oo, inf, one
  
  jomega = j * omega
  jw = jomega
  
  jomega0 = j * omega0
  jw0 = jomega0
  
new_contents: """This module defines special symbols f, s, t, and omega.
  
  Copyright 2014--2020 Michael Hayes, UCECE
  
  """
  
  # The following are Lcapy expressions.  For example, f is an
  # FourierDomainExpression object wrapping the fsym symbol.
  from .fexpr import f
  from .texpr import t
  from .sexpr import s
  from .omegaexpr import omega, omega0
  
  # Import common SymPy symbols.
  from .sym import pi, j, oo, inf, one
  
  jomega = j * omega
  jw = jomega
  
  jomega0 = j * omega0
  jw0 = jomega0
  
  w = omega
  w0 = omega0
  
subject: Define w and w0