apache2 vs httpd

[fido]

This may seem like a silly question, but I have been wondering what the differences are between 'emerge apache' and emerge httpd'. I noticed that apache emerge'd with only about 3 dependencies, however httpd requires quite a few more ( > 30 or so ). So what is the difference? I emerge'd apache and I am running that now, but I am curious what httpd would provide.

Thanks.
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[alec]

'httpd' is an emacs package, not apache.