Re: [Orgmode] Re: Composing letters using Org mode and the LaTeX isodoc class

2010-09-10 Thread Eric S Fraga
On Wed, 08 Sep 2010 23:26:15 +0200, Sébastien Vauban 
wxhgmqzgw...@spammotel.com wrote:

[...]

 The subject of your letter seems right: tangling is broken; at least
 on my PC.  So I don't understand why it works for you...

Just to add a data point: this works for me with 

: Org-mode version 7.01trans (release_7.01h.493.gece2)
: GNU Emacs 23.2.1 (i486-pc-linux-gnu, GTK+ Version 2.20.0) of 2010-08-14 on 
raven, modified by Debian

Time to learn isodoc as it looks very useful indeed!

Thanks,
eric
-- 
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D
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Re: [Orgmode] Re: Composing letters using Org mode and the LaTeX isodoc class

2010-09-08 Thread Eric Schulte
Hi Seb,

Sébastien Vauban wxhgmqzgw...@spammotel.com writes:

 Hi Eric,

 Eric Schulte wrote:
 I look forward to any potential org-letter export this line of
 investigation yields.

 As soon as this is closed, I'm willing to write a Worg page for this.

 - because I had not the hope of being able to configure the LaTeX export 
 class
   and/or code in the right way,

 Hmm, I don't know how complex isodoc is to configure, but I'd think that
 defining a custom latex class would be simpler than tangling out LaTeX code
 blocks, however maybe this will change once I've looked at and understood an
 example application.

 Isodoc is quite easy to configure, but it's through keyval mappings. I don't
 know enough of Org to imagine being able to convert headings and contents to
 keys and values, respectively...

 That does not mean it really is difficult. Just for me, the only accessible
 way remained the Babel route.


I see, I just wanted to ensure that wrapping content in code blocks was
a last resort, but I agree using Babel in this way should be much easier
than defining a new Org export backend or mucking with Org-mode
internals.  I'm very happy if Babel can help to further blur the lines
between Org-mode usage and development in this way.


 - because, in a way, that's quite logical. Here and there, you define
   stuff. At the end, you just arrange them all in a way that fits well the
   LaTeX class demands.

 Though, it's not just copying, the way Babel actually does with snippets of
 code à la Noweb. Hence, I really need at least the body to be in real Org
 plain code, and be automatically converted to LaTeX, so that I can make use
 of the tables, and all the Org markup.

 I'm sure Babel is able of that, mixing raw code with convertable code. Just
 needs more thinking.

 I've just implemented export of org code blocks to ascii, latex or html,

 This is brand new, right?  In any case, the real good solution to such a
 problem, IMHO...


Yes this is new, it actually only required a couple of lines of code to
implement.  However that means it may still be buggy.



 so the following should now (if I understood) allow the tangling
 behavior you've described

 ** tangle org-mode block
 #+source: org-list
 #+begin_src org :results latex
   - one
   - two
   - three
 #+end_src

 #+begin_src emacs-lisp :tangle yes :noweb yes
   
   org-list()
   
 #+end_src

 tangles to


 
 \begin{itemize}
 \item two
 \item three
 \end{itemize}


 

 Here, I just don't understand why you're choosing `emacs-lisp' as target
 language for LaTeX code. Is there a reason for this, or just a typo?


I do all my testing with emacs-lisp code blocks, as their sort of the
simplest (at least for me/Babel) code block.  Once it's working there it
should extend to code blocks in other languages as well.



 note that the () on the end of the code block name in the noweb syntax
 means to insert the results of evaluating the code block (in this case
 latex) rather than the body of the code block itself.

 Understood!  Thanks.

 FYI, I've git pulled once again 15 minutes ago (13:30 CET). My repo was
 already up-to-date, but your code does not work for me...

 _Nothing is tangled anymore_... Not even if I explicitly state
 =:tangle AA.tex= for example (with and without quotes ;-)).


I've taken your excerpt and changed it so that it was tangling
successfully on my system.  The main problem was that there were many
noweb references which pointed to outside of the example.  The following
does work on my system.  Notice that it uses a table to hold the small
components rather than wrapping each in it's own Org-mode block.

--8---cut here---start-8---
* Letter
#+tblname: head
| To  | Eric Schulte   |
| Subject | Tangling is Broken |
| Opening | Hi |
| Closing | Best   |

#+source: body
#+begin_src org :results latex
  - one
  - two
  - three
#+end_src

#+begin_src latex :noweb yes :tangle yes :var h-to=head[0,1] :var 
h-subject=head[1,1] :var h-opening=head[2,1] :var h-closing=head[3,1]
\documentclass[11pt]{isodoc}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}

\usepackage{isodoc-style}

\setupdocument{
to = {h-to},
subject = {h-subject},
opening = {h-opening},
closing = {h-closing}
}

\begin{document}
\letter{%
body()
}
\end{document}
#+end_src
--8---cut here---end---8---

There appears to be some lingering issues with converting the org block
to latex, for me the first item in the list was missing, I'll try to
take a look at this later today.  However, hopefully this gets Babel far
enough that at least the structure of an isodoc letter writing solution
can be fleshed out.

Best -- Eric

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Re: [Orgmode] Re: Composing letters using Org mode and the LaTeX isodoc class

2010-09-07 Thread Eric Schulte
Hi,

I'll try to answer some of the Babel related portions of this discussion
below.

I look forward to any potential org-letter export this line of
investigation yields.

Best -- Eric

Sébastien Vauban wxhgmqzgw...@spammotel.com writes:

 Hi Jambunathan,

 Jambunathan K wrote:
[...]
 I would like to hear why you chose to go down the tangling path.

 For two reasons:

 - because I had not the hope of being able to configure the LaTeX export class
   and/or code in the right way,


Hmm, I don't know how complex isodoc is to configure, but I'd think that
defining a custom latex class would be simpler than tangling out LaTeX
code blocks, however maybe this will change once I've looked at and
understood an example application.


 - because, in a way, that's quite logical. Here and there, you define
 stuff.  At the end, you just arrange them all in a way that fits well
 the LaTeX class demands.

 Though, it's not just copying, the way Babel actually does with snippets of
 code à la Noweb. Hence, I really need at least the body to be in real Org
 plain code, and be automatically converted to LaTeX, so that I can make use of
 the tables, and all the Org markup.

 I'm sure Babel is able of that, mixing raw code with convertable code. Just
 needs more thinking.


I've just implemented export of org code blocks to ascii, latex or html,
so the following should now (if I understood) allow the tangling
behavior you've described

--8---cut here---start-8---
** tangle org-mode block
#+source: org-list
#+begin_src org :results latex
  - one
  - two
  - three
#+end_src

#+begin_src emacs-lisp :tangle yes :noweb yes
  
  org-list()
  
#+end_src
--8---cut here---end---8---

tangles to

--8---cut here---start-8---


\begin{itemize}
\item two
\item three
\end{itemize}



--8---cut here---end---8---

note that the () on the end of the code block name in the noweb syntax
means to insert the results of evaluating the code block (in this case
latex) rather than the body of the code block itself.



 Personally I feel any sort of markup (this includes babel directives)
 distracting.

 They're much less distracting as soon as they're properly highlighted.
 Question of color-theme. I can provide you (all) with mine, if you're
 interested.


 Btw, your approach set me thinking. I think there is a strong case for
 making headlines act as babel srcnames with their body providing content for
 noweb expansion [3]. This behaviour could be controlled by a buffer local
 variable.

 That would definitely make sense to me, at least for this particular need.
 But, maybe, there is already a parallel way to do such a thing...


 Wondering how babel treats srcnames? Can there be spaces? Is upper and lower
 cases treated one and the same ...


Spaces are now allowed, I'm honestly not sure that it will successfully
distinguish between upper and lower cases in code block names (all of
mine are lower-case), but either way I'd say it's poor style to rely on
case to distinguish between different code blocks.

Best -- Eric


 Being a (tiny) part-time Babel user, I wish I could easily answer such
 questions. But, as I always try to take as less risks as possible, these are
 things I never really looked at.


 Footnotes: 
 [3] It is likely the body of the headline might be run through a custom
 renderer (say latex, html or even emac's own comment-region) before
 finding it's way in to the document generated by tangle.

 Thanks once again for referring me to isodoc.

 When someone shares something of value with you and you benefit from it, you
 have a moral obligation to share it with others. -- Chinese proverb

 I've been as well referred to this excellent package by a friend. Hence, I do
 what I have to do...

 I now would be pleased to hear what others think, and eventually can do along
 this line!

 Best regards,
   Seb

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Re: [Orgmode] Re: Composing letters using Org mode and the LaTeX isodoc class

2010-09-07 Thread Thomas S. Dye

Hi Eric,

Thank you.  This will be very useful.

All the best,
Tom

On Sep 7, 2010, at 2:56 PM, Eric Schulte wrote:


#+begin_src org :results latex
 - one
 - two
 - three
#+end_src



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