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From: Jinsong Zhao <jszhao@yeah.net>
Newsgroups: comp.text.tex
Subject: Re: label on the left side of minted or listings
Date: Tue, 11 Mar 2025 00:10:48 +0800
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On 2025/3/4 5:45, Peter Flynn wrote:
> On 03/03/2025 04:03, Jinsong Zhao wrote:
>> Hi there,
>>
>> Hi there,
>>
>> I am typesetting code using minted or listings package. It works fine. 
>> Now I am hoping to add a label, similar to equation label, on the left 
>> side of the code block, looks like following. (%o1) is the label.
>>
>> (%o1)  code here here here
>>         code here here
>>         code here
>>         code
>>
>> However, I can't find a way to do this. Any hint will be appreciated.
> 
> I would think the simplest is to put the code listing in a list item, eg
> 
> \usepackage{enumitem,listings}
> ...
> \begin{enumerate}[label={(\%ol)}]
> \item \begin{lstlisting}
> foo
> bar
> \end{lstlisting}
> \end{enumerate}
> 
> That way (enumitem) you have good control over the label and the spacing.
> 
> Peter

Thank you very much. The code in your reply is exactly what I need. It 
is simple and robust (I think).

I'm just getting back to you because my last test (for some reason) 
didn't work, but today it did. It's really weird.

Best,
Jinsong