I see from the R Markdown website that the colour of text can be changed like so:
This text is red
Well, after poking around it seems that the quickest way to do this is with a html
<style> tag. I was looking for something that avoided css or html, but this seems to be the best way to do this. There are plenty of options, but a simple one is:
If in doubt, use <bdi style="color:red;">`?dplyr::filter`</bdi> to get help.