`\cong` has extra trailing space
See original GitHub issueThe \cong relation, ≅, has some extra trailing space compared with \cong in official LaTeX and other similar relations in KaTeX.
\begin{aligned}
& x \equiv x \\
& x \cong x \\
& x \approxeq x \\
\end{aligned}
KaTeX rendering:

QuickLaTeX rendering:

- KaTeX Version: 0.11.1
- Device: Desktop
- OS: Windows 10
- Browser: Chrome
- Version: 79
Issue Analytics
- State:
- Created 4 years ago
- Comments:6 (2 by maintainers)
Top Results From Across the Web
Trailing spaces when copying from console
when you select text with mouse in console (that is, copy it), paste it, and realize you've got extra spaces at the end...
Read more >python - what is trailing whitespace and how can I handle this?
Trailing whitespace is any spaces or tabs after the last non-whitespace character on the line until the newline. In your posted question, there...
Read more >Remove Trailing Whitespace String Characters - YouTube
Trim the trailing whitespace characters from a string in C. Source code: ...
Read more >sed tip: Remove / Delete All Leading Blank Spaces / Tabs ...
Explains how to delete or remove all leading blank spaces or tabs ( whitespace ) using sed command on Linux, macOS, *BSD and...
Read more >Trailing Spaces - Visual Studio Marketplace
press F1 and select/type "Trailing Spaces: Delete"; bind the deletion command to a keyboard shortcut: To add a key binding, open "File /...
Read more >
Top Related Medium Post
No results found
Top Related StackOverflow Question
No results found
Troubleshoot Live Code
Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free
Top Related Reddit Thread
No results found
Top Related Hackernoon Post
No results found
Top Related Tweet
No results found
Top Related Dev.to Post
No results found
Top Related Hashnode Post
No results found

The katex-font repository is archived, but the problem of \cong still persists today. Hope that it is not forgotten…
Since I ran into the same issue, I took the liberty to report it in
katex-fontsmyself.Thanks for your awesome work 🚀