R Under development (unstable) (2024-05-16 r86559 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(litedown)
> f = tempfile()
> if (file.create(f)) {
+   # create full HTML
+   opts = options(litedown.html.template = TRUE)
+   mark(f)
+   options(opts)
+ 
+   # create fragment
+   mark(f)
+   unlink(f)
+ }
> 
> mark(character(0))
> mark('')

> 
> proc.time()
   user  system elapsed 
   0.28    0.10    0.37