anchor.diff:            default = null;
             type = types.nullOr types.str;
             description = "The font name, null to use system default.";
  +        };
  +
  +        allowBold = mkOption {
  +          default = null;
  +          type = types.nullOr types.bool;
  +          description = ''
  +            If <literal>true</literal>, allow applications in the
  +            terminal to make text boldface.
  +          '';
           };
   
           scrollOnOutput = mkOption {
  
positive.code:             bold-color-same-as-fg = false;
              bold-color = pcfg.colors.boldColor;
            }
          )
        )
      );
  
negative.code:         palette = mkOption {
            type = types.listOf types.str;
            description = "The terminal palette.";
          };
  
          cursor = mkOption {
            default = null;
            type = types.nullOr backForeSubModule;
            description = "The color for the terminal cursor.";
          };
  
          highlight = mkOption {
            default = null;
            type = types.nullOr backForeSubModule;
            description = "The colors for the terminal’s highlighted area.";
          };
        };
      }
  