From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Barton <lists@wilkesley.net>
Subject: Re: What Happened to org-export-html-extension?
Date: Sun, 31 Mar 2013 20:31:14 +0100
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> org-html-publish-to-html is defined in ox-html.el and looks like this
> (sans doc):
>
>    (defun org-html-publish-to-html (plist filename pub-dir)
>      (org-publish-org-to 'html filename ".html" plist pub-dir))
>
> You could define your own publishing function, e.g.
>
>    (defun my-org-html-publish-to-html (plist filename pub-dir)
>      (org-publish-org-to 'html filename ".yml" plist pub-dir))
>
> and refer to that in your org-publish-project-alist.
>
> org-html-extension is used in org-html-export-to-html which calls
> org-export-to-file, which is the same function org-publish-org-to
> calls (so org-html-extension is bypassed).
>
> There's also the export option :html-extension but it doesn't look
> like it's used to name published files.
>

Thanks for the clear explanation. Using my own function works, but this 
does seem to be a regression. Defining your own extension is useful e.g. 
if you want to emit .php files.

Ian.