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RE: why alias man to woman doesn't work?

From: Doug Lewan
Subject: RE: why alias man to woman doesn't work?
Date: Thu, 5 Apr 2012 13:02:55 +0000

> -----Original Message-----
> ...
> Do I understand correctly that the above code will load `woman' when
> being
> parsed, while:
>      (eval-after-load "woman" '(defalias 'man 'woman))
> would wait until woman was invoked by some other command?
> If yes, for performance reasons, one should prefer the latter writing,
> in
> order to have a quicker startup time of Emacs, right?
> Just wanna be sure I correctly understood (or not!) this part...
> Best regards,
>   Seb
> --
> Sebastien Vauban

I think you understand. That's exactly why emacs has (eval-after-load).
I just brought up a bare emacs and (length features) => 87.
Those are overwhelmingly the "compiled in" features.

If you run temacs you can see it loading them.
It will give you a real appreciation for the cost of loading packages.
Start up of emacs -nw is almost instantaneous; 
by my count, start up of temacs took about 7 seconds.

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