readline is listed as an input to ngspice, but readline capabilities are not available during runtime. I believe the problem is that --with-readline configure option defaults to "no", so readline support is not actually compiled in.
-- 馃摏 Christopher Howard 馃殌 gemini://gem.librehacker.com 馃寪 https://portal.mozz.us/gemini/gem.librehacker.com 讘专讗砖讬转 讘专讗 讗诇讛讬诐 讗转 讛砖诪讬诐 讜讗转 讛讗专抓
