tutorials do not work in latest R/Rstudio version

Fixed this by updating to latest version of learnr.

Simple reprex:

learnr::run_tutorial("ex-data-basics", package = "learnr")
#> Error: object 'markdownExtensions' is not exported by 'namespace:markdown'

Created on 2023-01-23 with reprex v2.0.2



I reinstalled R/RStudio and still see this error. Set up:

> sessionInfo()
R version 4.2.2 (2022-10-31)
Platform: aarch64-apple-darwin20 (64-bit)
Running under: macOS Ventura 13.1

Matrix products: default
LAPACK: /Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/lib/libRlapack.dylib

[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
[1] compiler_4.2.2 tools_4.2.2   
2022.12.0 Build 353
© 2009-2022 Posit Software, PBC
"Elsbeth Geranium" Release (7d165dcf, 2022-12-03) for macOS
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) RStudio/2022.12.0+353 Chrome/102.0.5005.167 Electron/19.1.3 Safari/537.

Apologies! Updating to latest version of learnr fixed this.

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