docs: def add_thellier_gui_criteria(acceptance_criteria):
      '''criteria used only in thellier gui
      these criteria are not written to pmag_criteria.txt
      '''
      category="thellier_gui"
      for crit in ['sample_int_n_outlier_check','site_int_n_outlier_check']:
          acceptance_criteria[crit]={}
          acceptance_criteria[crit]['category']=category
          acceptance_criteria[crit]['criterion_name']=crit
          acceptance_criteria[crit]['value']=-999
          acceptance_criteria[crit]['threshold_type']="low"
          acceptance_criteria[crit]['decimal_points']=0
  
      for crit in ['sample_int_interval_uT','sample_int_interval_perc',\
      'site_int_interval_uT','site_int_interval_perc',\
      'sample_int_BS_68_uT','sample_int_BS_95_uT','sample_int_BS_68_perc','sample_int_BS_95_perc','specimen_int_max_slope_diff']:
          acceptance_criteria[crit]={}
          acceptance_criteria[crit]['category']=category
          acceptance_criteria[crit]['criterion_name']=crit
          acceptance_criteria[crit]['value']=-999
          acceptance_criteria[crit]['threshold_type']="high"
          if crit in ['specimen_int_max_slope_diff']:
              acceptance_criteria[crit]['decimal_points']=-999
          else:
              acceptance_criteria[crit]['decimal_points']=1
          acceptance_criteria[crit]['comments']="thellier_gui_only"
  
      for crit in ['average_by_sample_or_site','interpreter_method']:
          acceptance_criteria[crit]={}
          acceptance_criteria[crit]['category']=category
          acceptance_criteria[crit]['criterion_name']=crit
          if crit in ['average_by_sample_or_site']:
              acceptance_criteria[crit]['value']='sample'
          if crit in ['interpreter_method']:
              acceptance_criteria[crit]['value']='stdev_opt'
          acceptance_criteria[crit]['threshold_type']="flag"
          acceptance_criteria[crit]['decimal_points']=-999
  
      for crit in ['include_nrm']:
          acceptance_criteria[crit]={}
          acceptance_criteria[crit]['category']=category
          acceptance_criteria[crit]['criterion_name']=crit
          acceptance_criteria[crit]['value']=True
          acceptance_criteria[crit]['threshold_type']="bool"
          acceptance_criteria[crit]['decimal_points']=-999