R Under development (unstable) (2024-02-08 r85876 ucrt) -- "Unsuffered Consequences"
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> library(testit)
> test_pkg('xaringan')
Warning message:
In encode_file(f) : Failed to encode the file 2x2.gif
> if (rmarkdown::pandoc_available('1.12.3')) test_pkg('xaringan', 'test2')
Serving the directory D:\temp\RtmpMtcfjC at http://127.0.0.1:4321/file299b0526778b4.html
Serving the directory D:\temp\RtmpMtcfjC at http://127.0.0.1:4321/file299b0526778b4.html
> 
> proc.time()
   user  system elapsed 
   1.14    0.32    2.12