{"description":"\u306a\u3044\u306a\u3044\u3068\u601d\u3063\u3066\u305f\u3089\u3042\u3063\u305f\u3002 (defun package-installed-p (package &optional min-version) \"Return true if PACKAGE, of MIN-VERSION or newer, is installed. MIN-VERSION should be a version list.\" (unless package--initialized (error \"package.el is not yet initialized!\")) (let ((pkg-desc (assq package package-alist))) (\u2026","version":"1.0","categories":["emacs"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20131102%2Fp1\" title=\"package.el \u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092 install \u3055\u308c\u3066\u3044\u308b\u304b\u306e\u8ff0\u8a9e\u304c\u3042\u308b\u306e\u304b - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://kiririmode.hatenablog.jp/","provider_url":"https://hatena.blog","height":"190","width":"100%","image_url":null,"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","published":"2013-11-02 00:00:00","url":"https://kiririmode.hatenablog.jp/entry/20131102/p1","type":"rich","provider_name":"Hatena Blog","author_name":"kiririmode","author_url":"https://blog.hatena.ne.jp/kiririmode/","title":"package.el \u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092 install \u3055\u308c\u3066\u3044\u308b\u304b\u306e\u8ff0\u8a9e\u304c\u3042\u308b\u306e\u304b"}