commit 517453c4870ea4c20c9e185230dfade14bb61cc6
author Hao Zhu <haozhu233@gmail.com> Sun May 13 13:07:18 2018 -0400
committer Hao Zhu <haozhu233@gmail.com> Sun May 13 13:07:18 2018 -0400
tree e9592e1a4b7ad6e86783445b4124705349205912
parent a2cb231d1def6457e0542506dda94d6392446e87

Fix a potential bug in column/row spec

R/column_spec.R

diff --git a/R/column_spec.R b/R/column_spec.R
index 1a07910..2e78586 100644
--- a/R/column_spec.R
+++ b/R/column_spec.R
@@ -148,6 +148,9 @@
                                   border_left, border_right,
                                   border_l_css, border_r_css,
                                   extra_css) {
+  if (is.na(xml_attr(target_cell, "style"))) {
+    xml_attr(target_cell, "style") <- ""
+  }
   if (!is.null(width)) {
     xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
                                              "width: ", width, "; ")