anchor.diff:        ''
           # /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
           # This file is read for login shells.
  +        #
  +        ${zshStartupNotes}
   
           # Only execute this file once per shell.
           if [ -n "$__ETC_ZPROFILE_SOURCED" ]; then return; fi
           __ETC_ZPROFILE_SOURCED=1
   
  +        # Setup custom login shell init stuff.
           ${cfge.loginShellInit}
   
           ${cfg.loginShellInit}
  
positive.code: 
          HELPDIR="${pkgs.zsh}/share/zsh/$ZSH_VERSION/help"
  
          # Tell zsh how to find installed completions
          for p in ''${(z)NIX_PROFILES}; do
              fpath+=($p/share/zsh/site-functions $p/share/zsh/$ZSH_VERSION/functions $p/share/zsh/vendor-completions)
          done
  
          ${cfge.shellInit}
  
          ${cfg.shellInit}
  
negative.code:         ];
          example = [ "EXTENDED_HISTORY" "RM_STAR_WAIT" ];
          description = ''
            Configure zsh options. See
            <citerefentry><refentrytitle>zshoptions</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
          '';
        };
  
  