From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Rasmus <rasmus@gmx.us>
Cc: emacs-orgmode@gnu.org
Subject: Re: ox and links to equation
Date: Sun, 15 Feb 2015 10:58:06 +0100 [thread overview]
Message-ID: <87h9uno5sh.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <87zj8gaujl.fsf@gmx.us> (rasmus@gmx.us's message of "Sun, 15 Feb 2015 01:27:10 +0100")
Rasmus <rasmus@gmx.us> writes:
> I have two issues with linking to equations.
>
> Consider the following example:
>
> \begin{alinged}
> \Label{eq:1}
> \min f(x)\\
> \label{eq:2}
> \st c(x)=0
> \end{aligned}
> Insightful comments on [[eq:1]] and [[eq:2]]
>
>
> * Issue 1
>
> If org-link-search-must-match-exact-headline is nil the links will work in
> the buffer. However, they will be discarded on export. Eq:1 I can refer
> to if I give the latex-environment a #+NAME, but I can't refer to eq:2. I
> think it should be possible to put in a link for eq:2. I don't know if it
> should depend on org-link-search-must-match-exact-headline or not,
> probably not.
>
> Any ideas how this could be solved and whether it's desirable solving?
`org-link-search-must-match-exact-headline' is ignored during export.
Since there are other ways to point to a particular location in
a document, it is an acceptable limitation.
For the problem at hand, you can use \label{eq:2} directly in the
document.
> * Issue 2 (ox-latex specific)
>
> Since we now have amsmath in the org-default-package-alist I would like to
> \eqref{·} to refer to equations. The main difference is that it takes
> care of the parenthesis automatically. I.e. \ref{eq:2} → 2 and
> \eqref(eq:2) → (2). Also, mathtools works with \eqref, but not \ref.
> However, in old document it could lead to ((2)).
>
> I have a simple patch that hard-coded equation to \eqref, but I don't know
> if a more general approach should be taken. Or if it a filter issue.
I'm not sure \eqref is desirable as a default value, (but I don't oppose
it if you think it is). OTOH, a filter is easy enough to implement.
Regards,
next prev parent reply other threads:[~2015-02-15 9:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-15 0:27 ox and links to equation Rasmus
2015-02-15 9:58 ` Nicolas Goaziou [this message]
2015-02-15 11:30 ` Rasmus
2015-02-15 12:50 ` Nicolas Goaziou
2015-02-15 13:01 ` Rasmus
2015-02-15 16:02 ` Nicolas Goaziou
2015-02-15 20:37 ` Rasmus
2015-02-15 20:46 ` Nicolas Goaziou
2015-02-15 22:31 ` Rasmus
2015-02-16 1:50 ` [patch, ox-html] mathjax changes (was: ox and links to equation) Rasmus
2015-02-17 18:04 ` [patch, ox-html] mathjax changes Rasmus
2015-02-27 13:11 ` Rasmus
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