Initial Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

LLM Generation

Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

Output

The error `\Hy@tempa has an extra }` is related to the way LaTeX handles line breaks in captions. This error typically occurs when you use a double backslash `\\` to force a line break in a caption. In LaTeX, the caption command is defined using an internal command called `\@caption`, which is responsible for typesetting the caption text. This command expects the caption text as a single argument, and any line breaks within the argument are interpreted as part of the text. When you use `\\` to force a line break in the caption text, LaTeX treats it as part of the argument and tries to process it accordingly. However, the internal mechanisms used by LaTeX to handle line breaks may conflict with the way the caption command is defined, leading to the `\Hy@tempa has an extra }` error. To fix this issue, you should avoid using `\\` to force line breaks in captions. Instead, you can use the `\newline` command or the `\\\\` sequence (double backslash) to create a line break within the caption text. Here's an example: 

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\begin{figure}
    \centering
    \includegraphics{example.png}
    \caption{This is a caption with a line break.\\\\
             The line break is created using \textbackslash\textbackslash\textbackslash\textbackslash.}
    \label{fig:example}
\end{figure}
Alternatively, you can use the `\newline` command: 
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\begin{figure}
    \centering
    \includegraphics{example.png}
    \caption{This is a caption with a line break.\newline
             The line break is created using \textbackslash newline.}
    \label{fig:example}
\end{figure}
By using `\\\\` or `\newline` instead of `\\`, you should be able to avoid the `\Hy@tempa has an extra }` error and correctly insert line breaks in your captions.

Substring Evaluation

Testing if the previous output contains the string \protect: False

Initial Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

LLM Generation

Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

Output

The error `\Hy@tempa has an extra }` in LaTeX typically occurs when there is an unmatched closing brace `}` in the caption text. This error often happens when you try to force a newline in the caption using `\\`. In LaTeX, the caption text is treated as an argument and is processed differently than regular text. When you use `\\` to force a newline in the caption, LaTeX interprets it as the end of the argument, which causes the error. To fix this issue, you should avoid using `\\` to create a newline in the caption. Instead, you can use the `\newline` command or the `\protect\\\protect` construct. Here's an example: 

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\begin{figure}
    \centering
    \includegraphics{example.png}
    \caption{This is a caption with a newline\newline This text will be on the next line.}
    \label{fig:example}
\end{figure}
Alternatively, you can use the `\protect\\\protect` construct: 
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\begin{figure}
    \centering
    \includegraphics{example.png}
    \caption{This is a caption with a newline\protect\\\protect This text will be on the next line.}
    \label{fig:example}
\end{figure}
The `\protect` command tells LaTeX to treat the following command (in this case, `\\`) as a regular symbol rather than interpreting it as a command. This way, LaTeX will not interpret the `\\` as the end of the argument, and the newline will be preserved in the caption.

Substring Evaluation

Testing if the previous output contains the string \protect: True

Initial Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

LLM Generation

Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

Output

The error `\Hy@tempa has an extra }` is caused by a mismatch between opening and closing braces `{` and `}` in the LaTeX code. This error often occurs when using commands that require arguments enclosed in braces, and the braces are not balanced correctly. In the case of captions, the `\caption` command is usually followed by an argument enclosed in braces `{}`. If you force a newline with `\\` inside the caption argument, LaTeX interprets the `\\` as the end of the argument, and the closing brace `}` becomes an extra closing brace, leading to the error. To avoid this error, you can either use a different command to force a newline in the caption or enclose the newline command in a way that prevents LaTeX from interpreting it as the end of the argument. Here are two possible solutions: 1. Use the `\protect\newline` command instead of `\\` to force a newline within the caption argument: 

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\caption{This is the first line of the caption.
\protect\newline This is the second line of the caption.}
2. Enclose the newline command `\\` in an additional pair of braces `{}` to prevent LaTeX from interpreting it as the end of the argument: 
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\caption{This is the first line of the caption.
{}\\This is the second line of the caption.}
Both of these solutions should resolve the `\Hy@tempa has an extra }` error when forcing a newline within a caption.

Substring Evaluation

Testing if the previous output contains the string \protect: True

Initial Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

LLM Generation

Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

Output

The error message `\Hy@tempa has an extra }` in LaTeX typically occurs when there is an unbalanced brace `}` in your code, usually within the caption environment. The `\\` command in LaTeX is used to create a new line within an environment or command that allows line breaks, such as in a paragraph or a tabular environment. However, the caption environment is designed to be a single line, and using `\\` to force a newline is not recommended. If you need to have a multi-line caption, you should use the `\newline` command instead of `\\`. Here's an example: 

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\begin{figure}
    \centering
    \includegraphics{your_image.png}
    \caption{This is the first line of the caption.\newline
             This is the second line of the caption.}
    \label{fig:your_label}
\end{figure}
Alternatively, you can use the `\linebreak` command, which is similar to `\newline` but allows for better line breaking control. 
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\begin{figure}
    \centering
    \includegraphics{your_image.png}
    \caption{This is the first line of the caption.\linebreak
             This is the second line of the caption.}
    \label{fig:your_label}
\end{figure}
If you still encounter the `\Hy@tempa has an extra }` error after using `\newline` or `\linebreak`, it could be due to other issues in your code, such as mismatched braces or incorrect environment usage. In that case, you should carefully check your LaTeX code for any unbalanced braces or other syntax errors.

Substring Evaluation

Testing if the previous output contains the string \protect: False

Initial Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

LLM Generation

Query

In latex when I force a newline in a caption with \\ it gives an error saying \Hy@tempa has an extra } runaway argument?

Output

The error `\Hy@tempa has an extra }` occurs when there is an imbalance between the opening and closing braces (`{` and `}`) in the caption text. This is because LaTeX uses braces to group and delimit arguments for commands and environments. When you use `\\` to force a newline in a caption, LaTeX treats the text following `\\` as a new argument. If this new argument contains unbalanced braces, it causes the error. Here's an example that illustrates the issue: 

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\documentclass{article}
\usepackage{caption}

\begin{document}

\begin{figure}
    \centering
    \rule{5cm}{3cm}
    \caption{This is a caption with an unbalanced brace \{ in the second line.\\
             The unbalanced brace causes the error.}
\end{figure}

\end{document}
In this example, the opening brace `{` in the second line of the caption is not balanced by a closing brace `}`, which causes the error. To fix this issue, you can either balance the braces in the caption text or use `\protect\\\protect` instead of `\\` to force a newline. The `\protect` command ensures that the following command (`\\ `) is treated as a single unit, preventing LaTeX from interpreting it as a new argument. Here's the corrected example: 
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\documentclass{article}
\usepackage{caption}

\begin{document}

\begin{figure}
    \centering
    \rule{5cm}{3cm}
    \caption{This is a caption with an unbalanced brace \{ in the second line.\protect\\\protect
             The unbalanced brace no longer causes an error.}
\end{figure}

\end{document}
Alternatively, you can use the `caption` package's `\captionsetup` command to enable line breaks in captions without using `\\`. For example: 
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\usepackage{caption}
\captionsetup{singlelinecheck=off}

\begin{document}

\begin{figure}
    \centering
    \rule{5cm}{3cm}
    \caption{This is a caption with an unbalanced brace { in the second line.
             The unbalanced brace no longer causes an error.}
\end{figure}

\end{document}
In this case, LaTeX will automatically break the caption text at the end of the line, without requiring `\\` or `\protect`.

Substring Evaluation

Testing if the previous output contains the string \protect: True