From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
Subject: Re: using subscripts in table captions
Date: Tue, 25 Aug 2015 09:57:59 +0200
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On Tue, Aug 25, 2015 at 08:09:55AM +0200, Johannes Rainer wrote:
> 
> The test org-file I used contains the following:
> --------
> 
> 
> #+TITLE:TestTest
> #+OPTIONS: ^:nil
> 
> * Test tables
> 
> just in plain text: bla_blu, bla\_blu; both works nicely.
> 
> #+CAPTION: Some bla bla and an underscore: bla_blu. The same escaped: bla\_blu. Doesn't work for either of them; blu is always used as subscript.
> |    | agegp |     alcgp |    tobgp | ncases | ncontrols |
> |----+-------+-----------+----------+--------+-----------|
> |  1 | 25-34 | 0-39g/day | 0-9g/day |   0.00 |     40.00 |
> |  2 | 25-34 | 0-39g/day |    10-19 |   0.00 |     10.00 |
> |  3 | 25-34 | 0-39g/day |    20-29 |   0.00 |      6.00 |
> 
> 
> -------
> 
> The _ in the plain text are exported as expected, but not the caption.

Using your example file, I get the following.  I guess that confirms
your bug.  I'm using release_8.3.1-129-g526927.

Hope this helps,


\section{Test tables}
\label{sec:orgheadline1}

just in plain text: bla\_blu, bla$\backslash$\_blu; both works nicely.

\begin{table}[htb]
\caption{Some bla bla and an underscore: bla\(_{\text{blu}}\). The same escaped: bla$\backslash$\(_{\text{blu}}\). Doesn't work for either of them; blu is always used as subscript.}
\centering
\begin{tabular}{rrlrrr}
 & agegp & alcgp & tobgp & ncases & ncontrols\\
\hline
1 & 25-34 & 0-39g/day & 0-9g/day & 0.00 & 40.00\\
2 & 25-34 & 0-39g/day & 10-19 & 0.00 & 10.00\\
3 & 25-34 & 0-39g/day & 20-29 & 0.00 & 6.00\\
\end{tabular}
\end{table}

-- 
Suvayu

Open source is the future. It sets us free.