For pandoc 3.4, deactivate -tex_math_gfm to still keep writing $$ a…

…nd $ for math in GFM documents.
rstudio · Sep 10, 2024 · f9cd149 · f9cd149
1 parent 661414a
commit f9cd149
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/R/github_document.R b/R/github_document.R
@@ -102,8 +102,8 @@ github_document <- function(toc = FALSE,
  # don't activate math in Pandoc and pass it as is
  # https://github.blog/changelog/2022-05-19-render-mathematical-expressions-in-markdown/
  math <- NULL
- # TODO: Check for version - should be the default in Pandoc 2.19+
- variant <- paste0(variant, "+tex_math_dollars")
+ # Pandoc 3.4 uses +tex_math_gfm by default to write special gfm syntax. We choose to keep $$ and $ which are still supported by Github
+ variant <- if (pandoc_available("3.4")) paste0(variant, "-tex_math_gfm") else paste0(variant, "+tex_math_dollars")
  preview_math <- check_math_argument("mathjax")
  } else {
  # fallback to webtex