From cca4a39d898f459eea6e8bc1f6ff27e636070d2d Mon Sep 17 00:00:00 2001
From: Ulrike Fischer <fischer@troubleshooting-tex.de>
Date: Wed, 5 Feb 2025 23:45:11 +0100
Subject: [PATCH] ignore element with status tex:ignore

---
 luamml-structelemwriter.lua | 2 +-
 luamml-xmlwriter.lua        | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/luamml-structelemwriter.lua b/luamml-structelemwriter.lua
index d681ff5..deda960 100644
--- a/luamml-structelemwriter.lua
+++ b/luamml-structelemwriter.lua
@@ -116,7 +116,7 @@ local function write_elem(tree, stash)
     end)
   end
   for _, elem in ipairs(tree) do
-    if type(elem) ~= 'string' then
+    if type(elem) ~= 'string'  and not elem['tex:ignore']  then
       write_elem(elem)
     end
   end
diff --git a/luamml-xmlwriter.lua b/luamml-xmlwriter.lua
index 6880074..ad67845 100644
--- a/luamml-xmlwriter.lua
+++ b/luamml-xmlwriter.lua
@@ -48,7 +48,9 @@ local function write_elem(tree, indent)
       out = out .. escape_text(elem)
       is_string = true
     else
-      out = out .. write_elem(elem, inner_indent)
+      if not elem['tex:ignore'] then
+        out = out .. write_elem(elem, inner_indent)
+      end
       is_string = nil
     end
   end