Ruby Nokogiri-无法转换U+；2019年从UTF-8开始，在CHANGELOG.ja.rdoc中从ASCII-8BIT转换为UTF-8到US-ASCII，跳过

使用

gem安装nokogiri

我的反应不太好

如何修复此错误

Installing ri documentation for nokogiri-1.5.6...
unable to convert U+2019 from UTF-8 to US-ASCII for lib/nokogiri.rb, skipping
unable to convert "\xE3" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for CHANGELOG.ja.rdoc, skipping
unable to convert "\xE8" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for CHANGELOG.rdoc, skipping
unable to convert "\xE9" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for README.ja.rdoc, skipping
unable to convert "\xE9" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for README.rdoc, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for ext/nokogiri/xml_node_set.c, skipping
Installing RDoc documentation for nokogiri-1.5.6...
unable to convert U+2019 from UTF-8 to US-ASCII for lib/nokogiri.rb, skipping
unable to convert "\xE3" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for CHANGELOG.ja.rdoc, skipping
unable to convert "\xE8" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for CHANGELOG.rdoc, skipping
unable to convert "\xE9" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for README.ja.rdoc, skipping
unable to convert "\xE9" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for README.rdoc, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to US-ASCII for ext/nokogiri/xml_node_set.c, skipping

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这不是错误，而是警告。当您在命令行中使用

ri-Nokogiri

时，文档是什么样子的？我得到了完全相同的警告，当我运行ri-Nokogiri时，我得到了以下消息：“未知。Nokogiri”请在以下位置考虑解决方案：或