How to Reduce Space after a Period Mark (.) in LaTeX?

In LaTeX typesetting, proper spacing after a period mark (.) is crucial for maintaining readability. Have you ever wondered how you reduce space after a period mark in LaTeX? Follow this guide to adjust the blank space after a period mark based on different scenarios.

Ending a Sentence with a Period Mark

A sentence typically ends with a period (full-stop) mark (.). The next sentence starts with a predefined gap after the period mark in LaTeX.

\documentclass{article}

\begin{document}

This is a sentence. The next one starts here.

\end{document}

Output

Period Mark within a Sentence

Issue: If a period mark is used within a sentence, LaTeX may interpret it as the end of a sentence, causing an excessive gap between words.

Solution: Reduce the gap using commands like \, and without any surrounding blank space. Alternatively, use \ (backslash followed by a blank space). For example

\documentclass{article}

\begin{document}

Difference between different commands. \\
Mr. Haroon is our new faculty member at XYZ University.\\
Mr.\,Haroon is our new faculty member at XYZ University.\\
Mr.~Haroon is our new faculty member at XYZ University. \\
Mr.\ Haroon is our new faculty member at XYZ University.

\end{document}

Output

Note: If a right parenthesis follows a period mark, apply the \ command after the parenthesis. Otherwise, LaTeX may treat the combination of \ and parenthesis as a different command.

\documentclass{article}

\begin{document}

For example:\\
Packages (graphicx, hyperref, etc.) enhance document features in \LaTeX.\\
Packages (graphicx, hyperref, etc.)\ enhance document features in \LaTeX.

\end{document}

Output

Uppercase Letters Ending a Sentence

Scenario: When a sentence concludes with an uppercase letter, the following sentence begins with a smaller gap.
Solution: Use the \@ symbol between the uppercase letter and the subsequent period mark to maintain proper spacing.

\documentclass{article}

\begin{document}

For example:\\
These watches are made in UAE. These are designed as water-resistant.\\
These watches are made in UAE\@. These are designed as water-resistant.

\end{document}

Output

By following these guidelines, you can ensure consistent spacing after period marks in your LaTeX documents. Adjustments can be made to address specific cases and improve overall document presentation.

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