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From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: "Bruce D'Arcus" <bdarcus@gmail.com>
Cc: org-mode-email <emacs-orgmode@gnu.org>
Subject: Re: [org-cite] citekey restrictions?
Date: Sun, 16 May 2021 14:55:15 +0200	[thread overview]
Message-ID: <875yzizvm4.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <CAF-FPGOJ8qMZVvV-pnTp7bA_r7Ah6_T7GCXDwurEy0gSvJweoA@mail.gmail.com> (Bruce D'Arcus's message of "Sun, 16 May 2021 07:41:36 -0400")

"Bruce D'Arcus" <bdarcus@gmail.com> writes:

> I'm not super sure of the details around, for example, bibtex, but
> this post seems to be helpful to check against for the details?
>
> https://tex.stackexchange.com/questions/388500/what-is-valid-as-a-biblatex-entry-key/388652#388652

Oh my! You're reviving a 6 years old thread[¹]!

Basically, current syntax is inherited from a previous citation
specification allowing shortcuts: @key instead of [cite:@key].

Since these shortcuts do not exist anymore, we don't need to be so
careful about characters allowed in a key. The only one being dangerous
is the semicolon, since it is used to separate keys in a citation
reference. Closing square bracket could also be problematic if it is not
paired properly. So, to be on a safe side, anything beside space,
semicolon and square brackets are fine.

However, allowing anything means some keys will not be compatible with
some bibliography formats. For example, I doubt BibTeX would appreciate
a percent character in a key. OTOH, we can put the burden of the user's
shoulders.

So... let's get liberal and say a key must match:

  (rx "@" (one-or-more (any word "-.:?!`'/*@+|()<>&_^$#%&~")))

Nothing bad could happen, right?


[¹]  https://lists.gnu.org/archive/html/emacs-orgmode/2015-03/msg00131.html

-- 
Nicolas Goaziou


  reply	other threads:[~2021-05-16 13:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-16 10:12 Bruce D'Arcus
2021-05-16 11:29 ` Nicolas Goaziou
2021-05-16 11:41   ` Bruce D'Arcus
2021-05-16 12:55     ` Nicolas Goaziou [this message]
2021-05-16 13:10       ` Bruce D'Arcus
2021-05-16 18:49       ` Joost Kremers
2021-05-16 21:21         ` Nicolas Goaziou

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