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From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Richard Lawrence <richard.lawrence@berkeley.edu>
Cc: emacs-orgmode@gnu.org
Subject: Re: Citation syntax: a revised proposal
Date: Sun, 15 Feb 2015 18:19:16 +0100	[thread overview]
Message-ID: <87zj8fjdnv.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <87k2zjnc0e.fsf@berkeley.edu> (Richard Lawrence's message of "Sat, 14 Feb 2015 18:29:05 -0800")

Hello,

Richard Lawrence <richard.lawrence@berkeley.edu> writes:

> Since discussion seems to have petered out on the previous thread (see:
> http://thread.gmane.org/gmane.emacs.orgmode/94524), I took some time to
> go back over the discussion and write up a concrete proposal for
> citation syntax.
>
> This proposal represents my attempt to formulate a syntax that is easy
> to read, easy to parse, and covers all the use-cases that people
> mentioned as being important.  It is surely not perfect, but I learned a
> lot from the previous thread, and I hope something like this will serve
> the community's needs.

Thanks for your proposal. Some comments follow.

> The difference between parenthetical and in-text citations is
> expressed using parentheses around the /first/ citation key.  A
> parenthetical citation has such parentheses around the first citation
> key; an in-text citation lacks them.  (Parentheses around non-initial
> keys are permitted for visual consistency and to keep the grammar
> simple, but have no meaning.)

I think it would be nicer to differentiate between in-text and
parenthetical citations at the type level, e.g.:


  [cite: this @key citation is in-text]
  [(cite): this @key citation is parenthetical]

or, as already suggested

  [citet: ...]
  [citep: ...]

I prefer the former.

>   1) a parenthetical citation for a single work with no prefix and
>      suffix may be written by just surrounding the key with brackets,
>      like: [@Doe99].
>   2) an in-text citation for a single work with no prefix and suffix
>      may be written as a /bare/ key, without brackets, like: @Doe99.
> (Thus, in both of the `simple' cases, one less level of bracketing is
> required.)

Sounds good.

> *** Syntax for extensions 
> Additional information can be supplied in a citation that may affect
> how export filters or particular backends format it.
>
> This additional information may be supplied following the brackets of
> a citation between the following delimiters: `%%( ... )'.

As pointed out, this is very odd. But I cannot see any clean solution.
However, it would be nice to integrate it somehow with the syntax. Maybe
something like

  [cite: ... @key ...; ... @key2 ... |latex: :prop val |html: :prop val]

> ** Outstanding issues
> It seems to me that there are potential problems with the above
> proposal in a number of areas, but I cannot tell how serious they are,
> or what changes (if any) should be made to solve them.  I don't
> pretend that this is an exhaustive list:
>   1) *Nesting.*  I have favored LaTeX compatibility for in-text
>      citations with multiple references; but this means there is no
>      way to `nest' citations.  Thus, there is no way to express (in
>      the main syntax) what Pandoc expresses as:
>         @Doe99 [p. 34; see also @DoeRoe2000]
>      which renders like:
>         Doe (1999, p. 34; see also Doe and Roe 2000)
>      Instead, since a citation is in-text or parenthetical as a whole,
>      the equivalent in the above syntax
>         [cite: @Doe99 p. 34; see also @DoeRoe2000]
>      should render like:
> 	Doe (1999, p. 34), see also Doe and Roe (2000).
>      I am not certain if Pandoc-like output is important in this case.
>      The few people who commented on this said that it was not.

AFAIU, when using in-text citation, only the first key is extracted out
of the parenthesis, so

  [cite: @Doe99 p. 34; see also @DoeRoe2000]

should really render like

  Doe (1999, p. 34; see also Doe and Roe 2000).

IOW, why do you think that "a citation is in-text or parenthetical as
a whole"?

>   2) *Limitations on prefixes and suffixes.*  There may be legitimate
>      uses of `@', `;', `]', etc. inside prefix or suffix text that the
>      above syntax does not allow.  Examples might include:
>      - use of semi-colons as part of the prefix/suffix text
>      - footnotes, links, or timestamps inside a prefix/suffix
>      I am not certain how important these cases are.  If they are
>      important, some of them might be able to be worked around with
>      entities.

Indeed. Entities are the way to go. If it isn't sufficient we'll need to
provide an escaping mechanism. This may be used elsewhere in Org.

>   4) *Citation commands.*  Rather than introduce an explicit
>      representation for different citation commands/types, I have used
>      different parts of the syntax to express the common distinctions
>      that people mentioned.  I suggest that, for now, anything beyond
>      these basic distinctions be left to the user-extension syntax.
>      However, if it becomes clear in the future that there is a need
>      to add a representation for a command to the main syntax, there
>      is a natural place to do so: immediately after the `cite:' tag
>      (as Nicolas suggested).

With extensions, it is not necessary to support another location for
commands. E.g.,

  [cite: @Doe |latex: :command citedwim]

or whatever extension syntax is chosen.

> Also, I have not said anything in this proposal to address how other
> document metadata should be represented, which has not been discussed
> much on the list.  I think this should be discussed separately.

Indeed. One step at a time. And this one is rather big.


Regards,

-- 
Nicolas Goaziou

  parent reply	other threads:[~2015-02-15 17:18 UTC|newest]

Thread overview: 163+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-15  2:29 Citation syntax: a revised proposal Richard Lawrence
2015-02-15  2:45 ` Richard Lawrence
2015-02-15  3:57 ` Thomas S. Dye
2015-02-15 16:40   ` Richard Lawrence
2015-02-15 19:43     ` Thomas S. Dye
2015-02-16  3:34       ` Matt Price
2015-02-16  8:56         ` Nicolas Goaziou
2015-02-16  9:57         ` Rasmus
2015-02-17 17:18       ` Richard Lawrence
2015-02-17 18:11         ` Rasmus
2015-02-18  0:44           ` Matt Price
2015-02-18  3:38           ` Richard Lawrence
2015-02-18  2:24         ` Thomas S. Dye
2015-02-18  4:03           ` Richard Lawrence
2015-02-18  9:00             ` Stefan Nobis
2015-02-18 10:11             ` Eric S Fraga
2015-02-18 14:19             ` Nicolas Goaziou
2015-02-18 16:38               ` Richard Lawrence
2015-02-18 18:44                 ` Samuel Wales
2015-02-18 18:46                   ` Samuel Wales
2015-02-18 20:54                   ` Aaron Ecay
2015-02-18 21:21                     ` Samuel Wales
2015-02-18 21:24                     ` John Kitchin
2015-02-18 19:42                 ` Nicolas Goaziou
2015-02-18 20:47                   ` Aaron Ecay
2015-02-18 22:43                     ` Rasmus
2015-02-18 22:35                   ` Rasmus
2015-02-19 17:06                   ` Richard Lawrence
2015-02-20  0:10                     ` Nicolas Goaziou
2015-02-20 16:44                       ` Richard Lawrence
2015-02-20 19:45                         ` Samuel Wales
2015-02-20 20:01                           ` Rasmus
2015-02-20 22:33                             ` Samuel Wales
2015-02-21 11:58                               ` Rasmus
2015-02-21 17:25                                 ` Thomas S. Dye
2015-02-27  0:56                                 ` Samuel Wales
2015-02-27  8:55                                   ` Stefan Nobis
2015-02-27  9:56                                   ` Rasmus
2015-02-21  3:12                           ` Richard Lawrence
2015-02-21 12:00                             ` Rasmus
2015-02-21 20:19                             ` Samuel Wales
2015-02-21 20:36                             ` Samuel Wales
2015-02-25 13:59                         ` Aaron Ecay
2015-02-25 16:57                           ` Richard Lawrence
2015-02-25 22:37                             ` Nicolas Goaziou
2015-02-26  5:10                               ` Richard Lawrence
2015-03-01 20:35                                 ` Nicolas Goaziou
2015-03-01 21:31                                   ` Rasmus
2015-03-02  0:24                                     ` Thomas S. Dye
2015-03-02  8:57                                       ` Eric S Fraga
2015-03-02  1:37                                     ` Thomas S. Dye
2015-03-02  9:23                                       ` Rasmus
2015-03-02 19:11                                     ` Aaron Ecay
2015-03-02 20:15                                       ` Rasmus
2015-03-03  3:14                                       ` Richard Lawrence
2015-03-03  5:33                                         ` Avram Lyon
2015-03-03 17:27                                           ` Richard Lawrence
2015-03-03 17:56                                             ` Avram Lyon
2015-03-04 16:41                                               ` Richard Lawrence
2015-03-03  9:24                                         ` Rasmus
2015-03-03  9:39                                           ` Rasmus
2015-03-03 14:12                                         ` Aaron Ecay
2015-03-02 18:50                                   ` Richard Lawrence
2015-03-02 20:14                                     ` Nicolas Goaziou
2015-03-02 20:34                                       ` Rasmus
2015-03-02 22:17                                         ` Nicolas Goaziou
2015-03-02 22:33                                           ` Rasmus
2015-03-02 22:45                                             ` Nicolas Goaziou
2015-03-02 23:05                                               ` Rasmus
2015-03-02 23:27                                                 ` Nicolas Goaziou
2015-03-02 23:42                                                   ` Rasmus
2015-03-03  2:48                                       ` Richard Lawrence
2015-03-03  8:43                                         ` Nicolas Goaziou
2015-03-03 16:59                                           ` Richard Lawrence
2015-03-04  0:43                                           ` Matt Price
2015-03-08  0:16                                         ` Nicolas Goaziou
2015-03-03 14:23                                     ` Aaron Ecay
2015-03-02 18:54                                   ` Aaron Ecay
2015-03-02 20:26                                     ` Nicolas Goaziou
2015-03-03  2:53                                       ` Richard Lawrence
2015-03-03  8:38                                         ` Nicolas Goaziou
2015-03-03  9:13                                           ` Rasmus
2015-03-03 16:12                                             ` Richard Lawrence
2015-03-03 14:25                                       ` Aaron Ecay
2015-03-02 20:53                                     ` Rasmus
2015-03-03 14:57                                       ` Aaron Ecay
2015-03-03 15:41                                         ` Rasmus
2015-03-03 15:58                                           ` Ken Mankoff
2015-03-03 16:08                                             ` Rasmus
2015-03-03 17:13                                         ` Richard Lawrence
2015-03-10  3:44                                     ` Aaron Ecay
2015-03-10  9:49                                       ` Rasmus
2015-03-11  1:51                                         ` Aaron Ecay
2015-03-11  6:04                                           ` Thomas S. Dye
2015-03-10 16:31                                       ` Richard Lawrence
2015-03-11  2:21                                         ` Aaron Ecay
2015-03-11 17:33                                           ` Richard Lawrence
2015-03-13 18:13                                             ` Richard Lawrence
2015-03-17  5:15                                               ` Richard Lawrence
2015-03-17  9:27                                                 ` Andreas Leha
2015-03-17 16:26                                                   ` Richard Lawrence
2015-03-17 20:42                                                     ` Andreas Leha
2015-03-17 21:34                                                       ` Richard Lawrence
2015-03-18  1:12                                                     ` Matt Price
2015-03-18 15:19                                                       ` Richard Lawrence
2015-02-25 18:08                           ` Thomas S. Dye
2015-02-26 21:30                             ` Aaron Ecay
2015-02-26 23:50                               ` Thomas S. Dye
2015-02-27  8:49                               ` Stefan Nobis
2015-02-27 16:35                                 ` Richard Lawrence
2015-02-27 10:09                               ` Rasmus
2015-03-02  5:48                               ` Thomas S. Dye
2015-03-02 12:22                                 ` Aaron Ecay
2015-03-02 13:53                                   ` Thomas S. Dye
2015-03-02 19:02                                     ` Aaron Ecay
2015-02-20  5:27                     ` Melanie Bacou
2015-02-20 16:49                       ` Richard Lawrence
2015-02-24  7:08         ` Vaidheeswaran C
2015-02-25  4:29           ` Richard Lawrence
2015-02-25  5:57             ` Vaidheeswaran C
2015-02-15 11:17 ` Tory S. Anderson
2015-02-15 11:57 ` Rasmus
2015-02-15 17:05   ` Richard Lawrence
2015-02-16  8:53     ` Stefan Nobis
2015-02-16 17:52       ` Thomas S. Dye
2015-02-15 17:23   ` Nicolas Goaziou
2015-03-09 10:40     ` Sebastien Vauban
2015-03-09 10:50       ` Vaidheeswaran C
2015-02-15 17:19 ` Nicolas Goaziou [this message]
2015-02-15 17:37   ` Rasmus
2015-02-15 17:55     ` Nicolas Goaziou
2015-02-15 19:30     ` John Kitchin
2015-02-15 18:07   ` Richard Lawrence
2015-02-15 18:25     ` Nicolas Goaziou
2015-02-15 19:05       ` Aaron Ecay
2015-02-15 19:18         ` Nicolas Goaziou
2015-02-15 19:38           ` Aaron Ecay
2015-02-15 20:13             ` Nicolas Goaziou
2015-02-15 20:23               ` Rasmus
2015-02-16  9:07               ` Stefan Nobis
2015-02-16 16:59               ` Richard Lawrence
2015-02-16 17:43                 ` Nicolas Goaziou
2015-02-16 18:39                   ` Rasmus
2015-02-16 19:16                     ` Thomas S. Dye
2015-02-16 19:40                       ` Rasmus
2015-02-15 20:49 ` John Kitchin
2015-02-16 16:18   ` Richard Lawrence
2015-02-16 18:21     ` John Kitchin
2015-02-16 12:05 ` Eric S Fraga
2015-02-16 13:10   ` William Denton
2015-02-16 13:42   ` John Kitchin
2015-02-16 16:19     ` Nicolas Goaziou
2015-02-16 17:28       ` John Kitchin
2015-02-16 18:49         ` Rasmus
2015-02-16 19:16           ` John Kitchin
2015-02-23  7:26       ` Vaidheeswaran
2015-02-16 16:35     ` Jorge A. Alfaro-Murillo
2015-02-16 17:56       ` Stefan Nobis
2015-02-16 18:24         ` John Kitchin
2015-02-16 18:39           ` Jorge A. Alfaro-Murillo
2015-02-16 19:19         ` Jorge A. Alfaro-Murillo
2015-02-17  6:47           ` Stefan Nobis
2015-02-16 16:45   ` Richard Lawrence

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