commit 401ebd89338eafc5a03eb5e84fa5d9e39cf46928
author Hao Zhu <haozhu233@gmail.com> Sun Jan 14 17:10:20 2018 -0500
committer Hao Zhu <haozhu233@gmail.com> Sun Jan 14 17:10:20 2018 -0500
tree e23a1fcd5a190a91da4a440ef1448c48017e5099
parent 53454f038c424a0105bf0775125c079ca1765932

Improve warning message

R/group_rows.R

diff --git a/R/group_rows.R b/R/group_rows.R
index 7009995..7300eb3 100644
--- a/R/group_rows.R
+++ b/R/group_rows.R
@@ -34,7 +34,9 @@
 
   kable_format <- attr(kable_input, "format")
   if (!kable_format %in% c("html", "latex")) {
-    message("Currently generic markdown table using pandoc is not supported.")
+    warning("Please specify format in kable. kableExtra can customize either ",
+            "HTML or LaTeX outputs. See https://haozhu233.github.io/kableExtra/ ",
+            "for details.")
     return(kable_input)
   }
   if (is.null(index)) {