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From: Maxim Nikulin <manikulin@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Bug: Percentage in caption (even escaped) does not work in LaTeX export
Date: Fri, 3 Sep 2021 19:17:25 +0700	[thread overview]
Message-ID: <sgt3om$mae$1@ciao.gmane.io> (raw)
In-Reply-To: <YT2PR01MB45101E27DC6251D8F8B7B366F6EC9@YT2PR01MB4510.CANPRD01.PROD.OUTLOOK.COM>

On 30/07/2021 22:00, Charest, Luc wrote:
>     I simplified the problem down to :
> #+CAPTION: Org Mode works 99.99\% of the time.
> #+BEGIN_SRC -n
> // this is only a proof of concept
> As soon as I put the percentage sign in the caption, the LaTeX export 
> backend fails with this message :
> org-latex-src-block: Not enough arguments for format string


User input is combined with format string in `org-latex-src-block' so 
percent character in caption is treated as a format specifier. Maybe 
emacs versions newer than 26 does not throw an error on extra specifier 
with missed argument. =:latex-cation-above nil= might still cause 
corrupted LaTeX code.

Code of `org-latex-src-block' is quite convoluted to provide a quick 
fix. Besides particular reported case it is better to check variants 
with listings and minted packages, custom environment.

Absence of language and line numbering option are irrelevant. Backslash 
before percent likely should not be used in Org files. My minimal example

     #+caption: User input "%S" is combined with format string
     #+begin_src emacs-lisp

P.S. "Not enough arguments for format string" error usually means that a 
string provided by user is passed as format or incorrect number of 
arguments is specified for a format-like function. The former case is a 
quite frequent mistake:
- https://orgmode.org/list/87bl5tzof2.fsf@posteo.net/,
(vs. correct variant 


(defun my-safe-fun (msg)
  (message "%s" msg))

not just

(defun not-a-fun (msg)
  (message msg))

  parent reply	other threads:[~2021-09-03 12:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 15:00 Bug: Percentage in caption (even escaped) does not work in LaTeX export Charest, Luc
2021-08-03 13:51 ` Eric S Fraga
2021-08-31 15:38   ` Timothy
2021-08-31 16:43     ` Charest, Luc
2021-09-03 12:17 ` Maxim Nikulin [this message]
2021-09-07 12:21   ` [PATCH] ox-latex: Allow percent sign in 'src-block' caption Maxim Nikulin
2021-09-07 13:17     ` Timothy
2021-09-25 16:04     ` Bastien
2021-09-25 16:04 ` Bug: Percentage in caption (even escaped) does not work in LaTeX export Bastien
2021-09-30 14:20   ` Max Nikulin
2022-05-08 16:15 ` Timothy
2022-10-06  6:57   ` Ihor Radchenko

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