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Re: About features
From: |
Andreas Röhler |
Subject: |
Re: About features |
Date: |
Wed, 06 Mar 2013 11:48:04 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 |
Am 06.03.2013 11:08, schrieb Xue Fuqiao:
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.
IMHO `provide' delivers a kind of city-map with street-names, which exists,
before you will visit a street.
Also require, before you a looking for the location of a certain building,
checks if the
street-in-my-example exists.