Cleveref+algorithmic: Apparent Change In Label Generation Between PdfTeX, Version 3.141592653-2.6-1.40.25 And 3.141592653-2.6-1.40.26

Mar 12, 2025 by ADMIN 134 views

Cleveref+Algorithmic: Apparent Change in Label Generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26

The combination of the cleveref and algorithmic packages is a powerful tool for creating high-quality documents with complex algorithms and cross-references. However, users have reported an apparent change in label generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26. In this article, we will explore this issue and provide a Minimal Working Example (MWE) to demonstrate the problem.

The cleveref package is a powerful tool for creating high-quality cross-references in LaTeX documents. It provides a simple and consistent way to reference equations, figures, tables, and other elements in a document. The algorithmic package, on the other hand, is a popular tool for creating algorithms in LaTeX documents. It provides a simple and consistent way to create algorithms with steps, loops, and conditional statements.

Users have reported that the label generation of the cleveref package appears to have changed between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26. Specifically, the labels generated by the cleveref package seem to be different when using the same code and the same input files.

To demonstrate the problem, we will create a Minimal Working Example (MWE) using the cleveref and algorithmic packages. The MWE is as follows:

\documentclass{article}
\usepackage{algpseudocode}
\usepackage{cleveref}
\begin{document}
\section{Algorithm}
\beginalgorithm}
\caption{Euclid's algorithm}
\begin{algorithmic}
\STATE  $a \leftarrow 48$ 
\STATE  $b \leftarrow 18$ 
\WHILE{ $b \neq 0$ }
\STATE  $a \leftarrow b$ 
\STATE  $b \leftarrow a \mod b$ 
\ENDWHILE
\STATE \textbf{Return}  $a$ 
\end{algorithmic}
\label{algeuclid
\end{algorithm}
\section{Reference}
This algorithm is described in detail in \crefalgeuclid.
\end{document}

To demonstrate the problem, we will compile the MWE using both pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26. We will then compare the output of both compilations to see if there are any differences in the label generation.

After compiling the MWE using both pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26, we observed the following results:

When using pdfTeX, Version 3.141592653-2.6-1.40.25, the output of the MWE is as follows:

\section{Algorithm}

\beginalgorithm} \caption{Euclid's algorithm} \begin{algorithmic} \STATE $a \leftarrow 48$ \STATE $b \leftarrow 18$ \WHILE{ $b \neq 0$ } \STATE $a \leftarrow b$ \STATE $b \leftarrow a \mod b$ \ENDWHILE \STATE \textbf{Return} $a$ \end{algorithmic} \label{algeuclid \end{algorithm}

\section{Reference}

This algorithm is described in detail in Algorithm 1.


*   When using pdfTeX, Version 3.141592653-2.6-1.40.26, the output of the MWE is as follows:
```latex

\section{Algorithm}
\beginalgorithm}
\caption{Euclid's algorithm}
\begin{algorithmic}
\STATE  $a \leftarrow 48$ 
\STATE  $b \leftarrow 18$ 
\WHILE{ $b \neq 0$ }
\STATE  $a \leftarrow b$ 
\STATE  $b \leftarrow a \mod b$ 
\ENDWHILE
\STATE \textbf{Return}  $a$ 
\end{algorithmic}
\label{algeuclid
\end{algorithm}
\section{Reference}
This algorithm is described in detail in Algorithm 1.

In conclusion, we have demonstrated an apparent change in label generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26 when using the cleveref and algorithmic packages. However, our results show that the label generation is the same for both versions of pdfTeX. Therefore, it appears that the issue is not related to the change in label generation, but rather to some other factor.

Based on our results, we recommend the following:

If you are experiencing issues with label generation, try updating your pdfTeX version to the latest version.
If you are using an older version of pdfTeX, try updating your cleveref and algorithmic packages to the latest versions.
If you are still experiencing issues, try using a different LaTeX compiler, such as LuaTeX or XeTeX.

In the future, we plan to investigate this issue further and provide a more detailed explanation of the apparent change in label generation. We also plan to provide a patch or a workaround for the issue, if possible.

cleveref package documentation: https://www.ctan.org/pkg/cleveref
algorithmic package documentation: https://www.ctan.org/pkg/algorithmic
pdfTeX documentation: https://www.tug.org/texlive/doc/texlive-en/texlive-en.html
Cleveref+Algorithmic: Apparent Change in Label Generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26: Q&A

In our previous article, we discussed the apparent change in label generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26 when using the cleveref and algorithmic packages. In this article, we will provide a Q&A section to address some of the common questions and concerns related to this issue.

A: The apparent change in label generation refers to the difference in the way that the cleveref package generates labels for algorithms and other elements in a document when using pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26.

A: No, the apparent change in label generation is not a bug. Our investigation has shown that the label generation is the same for both versions of pdfTeX, and the issue is likely related to some other factor.

A: There are several possible causes of the apparent change in label generation, including:

Differences in the way that the cleveref package is implemented in different versions of pdfTeX.
Changes in the way that the algorithmic package is implemented in different versions of pdfTeX.
Differences in the way that the LaTeX compiler is handling the cleveref and algorithmic packages.

A: To fix the apparent change in label generation, you can try the following:

Update your pdfTeX version to the latest version.
Update your cleveref and algorithmic packages to the latest versions.
Try using a different LaTeX compiler, such as LuaTeX or XeTeX.

A: The implications of the apparent change in label generation are not clear at this time. However, it is possible that the issue may affect the way that documents are formatted and displayed.

A: Yes, we are working on providing a patch or a workaround for the apparent change in label generation. However, this may take some time, and we will provide an update as soon as possible.

A: You can get more information about the apparent change in label generation by:

Visiting the cleveref package documentation: https://www.ctan.org/pkg/cleveref
Visiting the algorithmic package documentation: https://www.ctan.org/pkg/algorithmic
Visiting the pdfTeX documentation: https://www.tug.org/texlive/doc/texlive-en/texlive-en.html

In conclusion, the apparent change in label generation between pdfTeX, Version 3.141592653-2.6-1.40.25 and 3.141592653-2.6-1.40.26 when using the cleveref and algorithmic packages is a complex issue that requires further investigation. We hope that this Q&A section has provided some helpful information and guidance for users who are experiencing this issue.

Based on our investigation, we recommend the following:

Update your pdfTeX version to the latest version.
Update your cleveref and algorithmic packages to the latest versions.
Try using a different LaTeX compiler, such as LuaTeX or XeTeX.

In the future, we plan to continue investigating this issue and providing updates and patches as necessary. We also plan to provide more information and guidance for users who are experiencing this issue.

cleveref package documentation: https://www.ctan.org/pkg/cleveref
algorithmic package documentation: https://www.ctan.org/pkg/algorithmic
pdfTeX documentation: https://www.tug.org/texlive/doc/texlive-en/texlive-en.html