Note concerning the use of AtomPAW/Atompaw2Abinit with previous versions of ABINIT: 

• Version 2.2 of AtomPAW (and later) is only compatible with ABINIT v5.2.x+.
  You can use it with previous versions of ABINIT (in particular v4.6.x) provided that you slighly modified it:
  edit file atompaw.f90 from AtomPAW package and replace everly line "ishft= ..." by "ishft=0"... then recompile AtompPAW...
  Please, do not modify AtomPAW for use with Abinit v5.2.x+...
  

• Version 3.2.0 of Atompaw2Abinit (and later) is only compatible with ABINIT v5.4.3+.
  You can use it with previous versions of ABINIT provided that you modify the "ABINIT pseudopotential file" after having created it.
  Edit it and replace the "paw4" keyword by "paw3".

• Version 3.3.0 of Atompaw2Abinit (and later) is only compatible with ABINIT v6.1.0+,
  if file format is "paw5" (see 4th line of "ABINIT [pseudopotential file").
  It is compatible with ABINIT v5.4.3+ if file format is "paw4".
  You can use it with previous versions of ABINIT (produce oa "paw4" file" provided that you answer "yes"
  when you're asked for " Do you want to include compensation charge density in eXchange-Correlation terms ?".