anchor.diff:      separator_height = 0
   
       # Padding between text and separator.
  -    padding = 2
  +    padding = 4
   
       # Horizontal padding.
       horizontal_padding = 8
  
positive.code: [global]
      font =  SFNS Display 12
  
      # Allow a small subset of html markup:
      #   <b>bold</b>
  
negative.code:     #   %I  iconname (without its path)
      #   %p  progress value if set ([  0%] to [100%]) or nothing
      # Markup is allowed
      <%
          ##################################
          # all base16 colors nicely indexed
          ##################################
          $base00 = @base["00"]["hex"]
          $base01 = @base["00"]["hex"]
          $base02 = @base["02"]["hex"]
          $base03 = @base["03"]["hex"]
          $base04 = @base["04"]["hex"]
          $base05 = @base["05"]["hex"]
          $base06 = @base["06"]["hex"]
          $base07 = @base["07"]["hex"]
          $base08 = @base["08"]["hex"]
          $base09 = @base["09"]["hex"]
          $base0A = @base["0A"]["hex"]
          $base0B = @base["0B"]["hex"]
          $base0C = @base["0C"]["hex"]
          $base0D = @base["0D"]["hex"]
          $base0E = @base["0E"]["hex"]
          $base0F = @base["0F"]["hex"]
  
          # https://developer.gnome.org/pango/stable/PangoMarkupFormat.html
          def set_fmt(icon: '',
                      icon_color: $base00,
                      separator: ''
                     )
              "<span font='14' color='##{icon_color.upcase}'>#{icon}</span>"\
              "  <b>%s  #{separator}</b> "\
              "<span font_weight='light'>%b</span>"
          end
      %>
      format = "<%= set_fmt() %>"
  
      # Sort messages by urgency.
      sort = yes
  