R Under development (unstable) (2026-01-16 r89305 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(mathml)
Loading required package: rolog
Found SWI-Prolog at D:/temp/2026_01_17_16_50_17_28091/RtmpekJ98E/RLIBS_1ac54534d5ca3/rswipl/swipl
Welcome to SWI-Prolog (threaded, 64 bits, version 10.1.1)
Loading required package: knitr
> 
> test_check("mathml")
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 162 ]
> 
> proc.time()
   user  system elapsed 
   3.68    0.93    4.62