Re: [O] Difference between subtree-restricted export and 'publish enclosing subtree'

[Carsten Dominik]

On 8.4.2011, at 15:01, Matt Lundin wrote:

> Sean Whitton <address@hidden> writes:
> 
>> Dear all,
>> 
>> I noticed the "publish enclosing subtree" command in the export
>> dispatcher today and I can't make it work, nor can I see how it differs
>> From publishing a subtree (and needless to say I can't seem to find any
>> documentation).
>> 
>> This is a section of my .org file:
>> 
>> ,----
>> | * STARTED Hume Essay #2: Causation
>> | DEADLINE: <2011-04-19 Tue>
>> | [2011-03-14 Mon 16:04]
>> | [[gnus:nnimap%2BNucifera:address@hidden
>> | list]]
>> | 
>> | *Does Hume think that causal power is all in the mind?*
>> | ** TODO Essay
>> | :PROPERTIES:
>> | :EXPORT_FILE_NAME: hume-essay-causation
>> | :EXPORT_AUTHOR: Sean Whitton, Balliol
>> | :EXPORT_DATE: April 2011
>> | :EXPORT_TITLE: Does Hume think that causal power is all in the mind?
>> | :EXPORT_OPTIONS: todo:nil toc:nil skip:t
>> | :LaTeX_CLASS: spwessay
>> | :END:
>> | *** 
>> | Blah de blah (check above for how to do footnotes).
>> `----
>> 
>> (yup I'm a non-science student using org, so shoot me :P)
> 
> Welcome to the club. :)
> 
>> When I put my cursor in the properties drawer within the essay text
>> and hit C-c C-e 1 d I get my 'essay' exported and processed to
>> hume-essay-causation.pdf correctly, but if I instead use C-c C-e SPC
>> with point at various different places within the essay, I just get
>> the error 'No enclosing node with LaTeX_CLASS or EXPORT_FILE_NAME',
>> yet afaics they are there.
> 
> Yes, there are a few issues here.
> 
> I can replicate this bug when the cursor is above the LATEX_CLASS
> property. For instance, if the cursor is located on the :PROPERTIES:
> line, C-c C-e SPC results in an error. If it is on the :END: line, it
> finds the relevant headline
> 
> The problem is that C-c C-e space calls a simple backwards regexp search
> for the two properties. But the regexp search looks for export_title
> instead of export_file_name (lines 998-1000):
> 
>           (if (re-search-backward
>                "^[ \t]+\\(:latex_class:\\|:export_title:\\)[ \t]+\\S-"
>                nil t)
> 
> In addition, the regexp search is not bounded,

Both issues are fixed now, thanks Matt for doing the footwork.

- Carsten

> so if you have another
> headline higher up in the file with one of the properties in the search,
> such as...
> 
> --8<---------------cut here---------------start------------->8---
> * Kant Essay
>   :PROPERTIES:
>   :LATEX_CLASS: spwessay
>   :END:
> ** Some text
> --8<---------------cut here---------------end--------------->8---
> 
> ...hitting space will export that essay instead.
> 
>> How do I make the SPC command work and how does it differ from a subtree
>> export?  
> 
> My guess is that the former was introduced to make it more convenient to
> export subtrees with the relevant properties. I.e., one can simply press
> C-c C-e SPC at the current point, rather than having to mark the tree
> manually.
> 
> Best,
> Matt
>