highlight.md
In downlit: Syntax Highlighting and Automatic Linking

custom infix operators are linked, but regular are not

<span><span class='nv'>x</span> <span class='o'><a href='https://rdrr.io/r/base/match.html'>%in%</a></span> <span class='nv'>y</span></span>

<span><span class='nv'>x</span> <span class='o'>+</span> <span class='nv'>y</span></span>

syntax can span multiple lines

Code
  cat(highlight("f(\n\n)"))
Output
  <span><span class='nf'>f</span><span class='o'>(</span></span>
  <span></span>
  <span><span class='o'>)</span></span>

Code
  cat(highlight("'\n\n'"))
Output
  <span><span class='s'>'</span></span>
  <span><span class='s'></span></span>
  <span><span class='s'>'</span></span>

ansi escapes are converted to html

[1] "<span><span class='c'># <span style='color: #BB0000;'>hello</span></span></span>"

[1] "<span><span class='c'># <span style='color: #BB0000;'>hello</span></span></span>"

placeholder in R pipe gets highlighted and not linked

Code
  highlight("1:10 |> mean(x = _)", classes = classes_pandoc())
Output
  [1] "<span><span class='fl'>1</span><span class='op'>:</span><span class='fl'>10</span> <span class='op'>|&gt;</span> <span class='fu'><a href='https://rdrr.io/r/base/mean.html'>mean</a></span><span class='op'>(</span>x <span class='op'>=</span> <span class='va'>_</span><span class='op'>)</span></span>"