add enc2utf8 to solve unicode issue
diff --git a/R/add_indent.R b/R/add_indent.R
index 4ae84da..8932eaa 100644
--- a/R/add_indent.R
+++ b/R/add_indent.R
@@ -35,7 +35,7 @@
          "add_indent_latex.")
   }
 
-  out <- kable_input
+  out <- enc2utf8(kable_input)
   for (i in positions) {
     rowtext <- table_info$contents[i + 1]
     out <- sub(rowtext, latex_indent_unit(rowtext), out, perl = TRUE)