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About features


From: Xue Fuqiao
Subject: About features
Date: Wed, 06 Mar 2013 18:08:07 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130221 Thunderbird/17.0.3

In (info "(elisp) Coding Conventions"):

   * Put a call to `provide' at the end of each separate Lisp file.
     *Note Named Features::.

   * If a file requires certain other Lisp programs to be loaded
     beforehand, then the comments at the beginning of the file should
     say so.  Also, use `require' to make sure they are loaded.  *Note
     Named Features::.

Why should we use `provide' and `require'? Is `load'/`load-library'/`load-file' enough? Thanks.

--
Best regards, Xue Fuqiao.
http://www.emacswiki.org/emacs/XueFuqiao



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