I get the following error message, if I do not use editline from the system.
```
>> 3090 Undefined symbols for architecture x86_64:
3091 "_tgetent", referenced from:
3092 _terminal_set in libedit.a(terminal.c.o)
3093 "_tgetflag", referenced from:
3094 _terminal_set in libedit.a(terminal.c.o)
3095 "_tgetnum", referenced from:
3096 _terminal_set in libedit.a(terminal.c.o)
...
3110 _terminal_insertwrite in libedit.a(terminal.c.o)
3111 _terminal_clear_EOL in libedit.a(terminal.c.o)
3112 _terminal_clear_screen in libedit.a(terminal.c.o)
3113 _terminal_beep in libedit.a(terminal.c.o)
3114 ...
3115 ld: symbol(s) not found for architecture x86_64
```
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