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From: Carsten Dominik <carsten.dominik@gmail.com>
To: Daniel Clemente <n142857@gmail.com>
Cc: Bernt Hansen <bernt@norang.ca>,
	org-mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: Re: Custom entry IDs in HTML export
Date: Thu, 16 Apr 2009 08:55:26 +0200	[thread overview]
Message-ID: <1FEE16B4-2913-487C-8822-094FF4EC725C@gmail.com> (raw)
In-Reply-To: <871vsfjkm3.fsf@CPU107.opentrends.net>

Hi Sebastian,

I kind of like the idea to have a property that can be
used to set an ID, as an alternative to the <<target>>
notation.  Actually, using a property seems a lot cleaner,
thanks for coming up with this idea, Daniel.

I can also follow the reasoning that it is useful to have
the table of contents link to the human-readable id, because
it provides a general, simple workflow to retrieve a link that
will persist through changes of the document.  This workflow
was described also by Bernt earlier in this thread.

Finally, I also agree that the main id in the <h3> tag
should be the automatically generated one because this is
best for automatic processing and because of all the arguments
you have presented.

Would it cause problems for org-info.js if the toc points to
a user specified anchor in the headline, instead of the main
ID that is inside the <h3> tag?  THis would really be the only
required change.

- Carsten

On Mar 30, 2009, at 1:49 PM, Daniel Clemente wrote:

> El dv, mar 27 2009, Sebastian Rose va escriure:
>> What we have now, just as Carstens said:
>>  # <<human-readable>>
>>  * Section B
>> Creates this headline in HTML:
>>  <h2 id="sec-2"><a name="human-readable" id="human-readable"></a>2  
>> Section B </h2>
>> This is enough for all the use cases I can think of.
>  Yes, this is enough except for two things:
> 1. The TOC still links to #sec-2 and the user can't change that
> 2. Your syntax doesn't fold very well in the outliner. I mean: if  
> you use
>>  # <<human-readable>>
>>  * Section B
>  then the comment appears at the end of the previous section, and  
> you can miss it when you are viewing the heading „Section B“. I  
> would swap both lines (solution 1):
>>  * Section B
>>  # <<human-readable>>
>  But since there are already LOGBOOK drawers under the heading, it  
> would be a lot clearer to use a property, like EXPORT_ID (solution 2):
>> * Section B
>>  :EXPORT_ID: human-readable
>>  :END:
>  In this way, the TOC can reliably find the EXPORT_ID, and then  
> generate:
>>  <h2 id="sec-2"><a name="human-readable" id="human-readable"></a>2  
>> Section B </h2>
>  (You could also leave *just* the human-readable id, but having two  
> is not bad.
>  I would prefer solution 1, but I don't because I'm not sure that  
> the TOC can find the ID if it is written as a comment anywhere under  
> the heading (and together with other things).
>  Solution 2 involves thus: a new property to specify the human- 
> readable entry ID, which will be used to link to the entry. The  
> automatic ID (#sec-2) will still work for all entrys.
>> * Distinguishing automatic and human readable IDs
>>  One thing I like is, that we now _can_ distinguish the
>>  `human-readable-target' (human readable) from the `sec-2' (not human
>>  readable and not context related) using a regular expression.
>>  In org-info.js, I can now prefere the human readable ID in <a>  
>> from an
>>  automatic created one, and thus use that to create the links for `l'
>>  and `L'. The same holds true for other programming languages and
>>  parsers.
>>  If we open the <h3>'s ID for user defined values (bad), we can not
>>  distinguish those ID's using a regular expression and there is no  
>> way
>>  to detect the human readable one. There will be no way to _know_  
>> that
>>  the <a>'s ID is the prefered one used for human readable links.
>  Solution 2 doesn't break the parsing techniques you use; in fact it  
> can also make clearer which ID is the human readable one and which  
> one not.
>  This is not extremely important; just useful:
> - for pages with many incoming links from external sites
> - to ensure link integrity (now you can't assure that links will  
> still work in 1 year ... or in some weeks)
> - to avoid that HTML visitors get directed to a wrong section and  
> can't find what they searched
>  Greetings,
> Daniel
> _______________________________________________
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  reply	other threads:[~2009-04-16  8:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-27 12:47 Custom entry IDs in HTML export Daniel Clemente
2009-03-27 16:16 ` Carsten Dominik
2009-03-27 17:57   ` Bernt Hansen
2009-03-27 21:32     ` Sebastian Rose
2009-03-30 11:49       ` Daniel Clemente
2009-04-16  6:55         ` Carsten Dominik [this message]
2009-04-16  8:50           ` Sebastian Rose
2009-04-16 11:28             ` Carsten Dominik
2009-04-16 13:14               ` Sebastian Rose
2009-04-16 17:14                 ` Carsten Dominik
2009-04-16 20:50                   ` Sebastian Rose
2009-04-16 21:26                     ` Carsten Dominik
2009-04-16 22:37                       ` Sebastian Rose
2009-04-17  4:11                         ` Carsten Dominik

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