subscripts are actually strikethroughs

[maneesha]

How could the content be improved?

In the a bit more markdown section, the instructions on how to do subscripts actually show how to do strikethrough.

Which part of the content does your suggestion apply to?

https://swcarpentry.github.io/r-novice-gapminder/15-knitr-markdown.html#a-bit-more-markdown

[Zhian N. Kamvar]

Note: this was a bug with the transition where the subscripts were converted to strikethrough (see ropensci/tinkr#99), so it can be fixed by converting the text.

r-novice-gapminder/episodes/15-knitr-markdown.Rmd

Line 231 in 9637884

 You can do subscripts (e.g., F~~2~~) with `F~2~` and superscripts (e.g., 

[Matthieu Bruneaux]

Thank you very much for noticing this @maneesha and for suggesting the fix @zkamvar!

Since it was a simple fix I took the liberty of submitting and merging the PR myself.