From 79529b0fa525b1a50ed200644ec5ee53e8aae2fa Mon Sep 17 00:00:00 2001
From: lvjr <tolvjr@163.com>
Date: Thu, 15 Feb 2024 21:56:39 +0800
Subject: [PATCH] only run code of the same library once (#364)

---
 tabularray.sty | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tabularray.sty b/tabularray.sty
index da40a1e..650a3d8 100644
--- a/tabularray.sty
+++ b/tabularray.sty
@@ -7039,7 +7039,11 @@
 
 \NewDocumentCommand \UseTblrLibrary { m }
   {
-    \clist_map_inline:nn {#1} { \use:c { __tblr_use_lib_ ##1: } }
+    \clist_map_inline:nn {#1}
+      {
+        \use:c { __tblr_use_lib_ ##1: }
+        \cs_undefine:c { __tblr_use_lib_ ##1: }
+      }
   }
 
 %% Library amsmath and environments +array, +matrix, +cases, ...