old_contents: from django import template
  
  register = template.Library()
  
  @register.inclusion_tag('templatetags/form_input_textarea.html')
  def form_input_textarea(input_dict, is_disabled=False):
      """
      Renders an input with a label.
      Takes the following keywords:
  
      name: the name that corresponds to the input, will be in form when submitted
      label: the string that will be displayed as a label
      type: the input type. See w3 schools input types for information
      value: the value of the input. Not checked or validated
      """
      input_classes = input_dict.get('input_classes') or []
      input_dict['input_class_list'] = ' '.join([str(cls) for cls in input_classes])
      if is_disabled:
          input_dict['is_disabled'] = "disabled"
      else:
          input_dict['is_disabled'] = ""
      return input_dict
  
new_contents: from django import template
  
  register = template.Library()
  
  @register.inclusion_tag('templatetags/form_input_textarea.html')
  def form_input_textarea(input_dict, is_disabled=False):
      """
      Renders a textarea with a label.
      Takes the following keywords:
  
      name: the name that corresponds to the input, will be in form when submitted
      label: the string that will be displayed as a label
      value: the value of the input. Not checked or validated
      """
      input_classes = input_dict.get('input_classes') or []
      input_dict['input_class_list'] = ' '.join([str(cls) for cls in input_classes])
      if is_disabled:
          input_dict['is_disabled'] = "disabled"
      else:
          input_dict['is_disabled'] = ""
      return input_dict
  
subject: update function description