I added the `lang: ja` setting to the following document and noticed that the inline code and code block fonts are no longer monospaced fonts.
https://github.com/eitsupi/tokyorslide/blob/c094cae5e4dce8ddd140c4e9236c6297689091c0/tokyor_97/index.qmd

no `lang` setting
![image](https://user-images.githubusercontent.com/50911393/163659284-cb558b5d-5e06-4271-9dc3-168fb5e4416e.png)

with `lang: ja`
![image](https://user-images.githubusercontent.com/50911393/163659289-8bf8def0-19aa-486f-95f0-561f388da470.png)

When set to `lang: zh`, it also changed to other fonts.
I don't think the fonts in a code blocks should change depending on the language setting.

quarto version 0.9.260
2022-04-16T03:13:54Z
eitsupi
closed
The fonts in the code blocks in revealjs slides will be changed by the language setting of the document
https://github.com/quarto-dev/quarto-cli/issues/656