Made changes to add_header_left.
Change the name of attr original_kable_meta to kable_meta
diff --git a/R/add_footnote.R b/R/add_footnote.R
index 024df3b..3e1b130 100644
--- a/R/add_footnote.R
+++ b/R/add_footnote.R
@@ -239,6 +239,6 @@
     # Paste footer to the table
     export[1] <- gsub("</tbody>\n", paste0("</tbody>\n", footer), export[1])
   }
-  attr(export, "original_kable_meta") <- table_info
+  attr(export, "kable_meta") <- table_info
   return(export)
 }