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"Colin S. Miller" <no-spam-thank-you@csmiller.demon.co.uk> 
??????:450bdfd3$0$75037$14726298@news.sunsite.dk...
>>
>> In runtime, how does "require" know where the feature list is? There is 
>> only machine code then.
>>
> John,
>
> (require 'feature)
> searches the paths listed in 'load-path',
> this can be added to using (add-path).
> It looks for a file called "feature.el" or "feature.elc".
>
>
Do you mean that "provide" modifies the files, both .el and .elc? I just 
can't imagine.

> Emacs packages can either be in source-code,
> which have an extension '.el', or be pre-compiled,
> where they have the extension '.elc'.
>
> Pre-compiled packages run faster than packages dynamically
> compiled from source.
>
> The pre-compiled emacs tends to come with its packages pre-compiled
> as well, there will be sources for the packages where you got
> emacs from.
>
> HTH,
> Coin S. Miller
>
> -- 
> Replace the obvious in my email address with the first three letters of 
> the hostname to reply.