Fix #154: pandoc warning during exercise knit

Fixes this warning: [WARNING] This document format requires a nonempty <title> element. Please specify either 'title' or 'pagetitle' in the metadata. Falling back to 'exercise.knit.utf8'
rstudio · Mar 26, 2018 · ffb22f1 · ffb22f1
1 parent 6feaf64
commit ffb22f1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/R/exercise.R b/R/exercise.R
@@ -205,7 +205,8 @@ evaluate_exercise <- function(exercise, envir) {
     knitr = knitr_options,
     pandoc = NULL,
     base_format = rmarkdown::html_fragment(
-                    df_print = exercise$options$exercise.df_print
+                    df_print = exercise$options$exercise.df_print,
+                    pandoc_args = c("--metadata", "pagetitle=PREVIEW")
                   )
   )