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Discover how to maintain code formatting while converting LaTeX documents to HTML using Pandoc, by applying specific code environments.
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This video is based on the question https://stackoverflow.com/q/78201458/ asked by the user 'Manvar' ( https://stackoverflow.com/u/8363198/ ) and on the answer https://stackoverflow.com/a/78203015/ provided by the user 'tarleb' ( https://stackoverflow.com/u/2425163/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Introduction

If you are a user of Pandoc, the versatile document converter, you may find yourself facing a frustrating problem: preserving the formatting of your source code when converting from LaTeX to HTML. This is a common issue that can lead to the loss of critical formatting features, making your code unreadable and hard to interpret. In this guide, we will explore how to solve this problem effectively and ensure your code retains its original formatting in the conversion process.

The Problem

When converting a LaTeX document (like book.tex) to HTML using the command:

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You may notice that the formatting of your code blocks does not carry over; instead of being formatted correctly, the output HTML may look something like this:

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What you ideally want is to have your code nicely formatted within <pre> tags, like this:

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The Solution

To preserve the formatting of your code during the LaTeX to HTML conversion, it's essential to use a more appropriate environment for the code within your LaTeX file. Below, we’ll go through a couple of effective methods:

Recommended LaTeX Environments

Using the minted Package:

The minted package is a powerful way to include highlighted code in your LaTeX documents.

Example code usage:

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By using this method, you will have properly formatted code blocks in both your LaTeX and the resulting HTML.

Using the lstlisting Package:

If you prefer another option, you can also use lstlisting, which provides a similar result.

Example:

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Performing the Conversion

Once you've applied one of the recommended environments, simply run your Pandoc command again to convert your LaTeX document to HTML:

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You should then see your code blocks properly preserved in the HTML output.

Conclusion

Preserving code formatting while converting LaTeX to HTML using Pandoc is possible by utilizing the right code environments. Remember to consider changing your LaTeX input to include minted or lstlisting to achieve the desired results. Adjusting your workflow in this way can save you time and enhance the readability of your documents significantly.

By following the guidelines outlined in this post, you'll be well on your way to creating beautifully formatted HTML outputs from your LaTeX documents. Happy converting!