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Re: [O] syntax for blocks that the exporter should not render?

From: Carsten Dominik
Subject: Re: [O] syntax for blocks that the exporter should not render?
Date: Thu, 5 Sep 2013 05:34:36 +0200

On 3.9.2013, at 17:32, Matt Price <address@hidden> wrote:

> Hi,
> certain lines are not rendered by the org exporter, but are instead
> interpreted as instructions, e.g.:
> #+AUTHOR: Matt Price
> I'm using org2blog/wp, which is only partially converted to the new
> exporter.  It works pretty well, but not perfectly.  It has the neat
> feature that, when I insert a link to a local image, it will upload
> that image to wordpress and link to the uploaded file.  TO keep track
> of the location of those images, it writes lines like this to the org
> file:
> #+/home/matt/Matt_headshots/Matt Price/IMG_9367_.jpg
> http://2013.hackinghistory.ca/wp-content/uploads/2013/08/wpid-IMG_9367_2.jpg
> Recently I've noticed that these lines are actually being rendered by
> the underlying html exporter before export.

I don't think this is the right behavior, such lines should not be rendered.
Suvayu is right, with a space after the # they are treated as commendt, but I 
they should also be ignored with the plus.

Nicolas, what is the reasoning behind rendering them?


- Carsten

>  I can (sort of) fix this
> by adding a filter to the exporter (thanks again Nicolas!):
> ---------
> (add-to-list 'org-export-filter-paragraph-functions
> 'matt-org-export-filter-paragraph-function)
> (defun matt-org-export-filter-paragraph-function (paragraph backend info)
>  "removes comments from export"
>  (when (org-export-derived-backend-p backend 'html)
>    (replace-regexp-in-string "^#\+.*$" "" paragraph)
> ))
> but it would be better if I could get the underlying exporter to just
> ignore these lines. I thought that the leading #+ was enough to get
> org to treat these lines as non-text -- but I guess I'm wrong!  Anyone
> know a solution?
> Thanks!
> Matt

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