Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/22939#discussion_r230649513
--- Diff: R/pkg/R/functions.R ---
@@ -205,11 +205,18 @@ NULL
#' also supported for the schema.
#' \item \code{from_csv}: a DDL-formatted string
#' }
-#' @param ... additional argument(s). In \code{to_json}, \code{to_csv} and
\code{from_json},
-#' this contains additional named properties to control how it
is converted, accepts
-#' the same options as the JSON/CSV data source. Additionally
\code{to_json} supports
-#' the "pretty" option which enables pretty JSON generation. In
\code{arrays_zip},
-#' this contains additional Columns of arrays to be merged.
+#' @param ... additional argument(s).
+#' \itemize{
+#' \item \code{to_json}, \code{from_json} and
\code{schema_of_json}: this contains
+#' additional named properties to control how it is converted
and accepts the
+#' same options as the JSON data source.
+#' \item \code{to_json}: it supports the "pretty" option which
enables pretty
--- End diff --
actually, how does `pretty` work? is it `pretty = TRUE`?
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