This function calls Highlight to syntax highlight a code fragment.
hi_andre(code, language, format = "html")A character string for the syntax highlighted code.
Andre Simon's Highlight package https://gitlab.com/saalen/highlight.
if (FALSE) { # \dontrun{
hi_andre("1+1", language = "R")
hi_andre("void main() {\nreturn(0)\n}", language = "c", format = "latex")
} # }