old_contents: from django import forms
  from django.forms import ModelForm, Form
  from census_paleo.models import occurrence, taxonomy
  from ajax_select import make_ajax_field
  
  class OccurrenceForm(ModelForm):
      taxon = make_ajax_field(occurrence, "taxon", "taxonLookup")
      ref = make_ajax_field(occurrence, "ref", "referenceLookup")
      location = make_ajax_field(occurrence, "location", "locationLookup")
      notes = forms.CharField(widget=forms.Textarea)
      class Meta:
          model = occurrence
  
  class TaxonForm(ModelForm):
      class Meta:
          model = taxonomy
  
  class GetTaxonInfoForm(Form):
      taxon = make_ajax_field(occurrence, "taxon", "taxonLookup")
  
  
new_contents: from django import forms
  from django.forms import ModelForm, Form
  from census_paleo.models import occurrence, taxonomy
  from ajax_select import make_ajax_field
  
  class OccurrenceForm(ModelForm):
      taxon = make_ajax_field(occurrence, "taxon", "taxonLookup")
      ref = make_ajax_field(occurrence, "ref", "referenceLookup")
      location = make_ajax_field(occurrence, "location", "locationLookup")
      notes = forms.CharField(widget=forms.Textarea, required=False)
      class Meta:
          model = occurrence
  
  class TaxonForm(ModelForm):
      class Meta:
          model = taxonomy
  
  class GetTaxonInfoForm(Form):
      taxon = make_ajax_field(occurrence, "taxon", "taxonLookup")
  
  
subject: add required=False to notes field