From f1a14aebedceddece373dde4fb9ee1a542f1d970 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sun, 6 Oct 2024 20:34:40 -0300
Subject: Fix: NULL at the end of the PDF TOC

---
 structure/book/en/00-preamble.md | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'structure')

diff --git a/structure/book/en/00-preamble.md b/structure/book/en/00-preamble.md
index 8746e47..4c15c09 100644
--- a/structure/book/en/00-preamble.md
+++ b/structure/book/en/00-preamble.md
@@ -59,5 +59,8 @@ if (knitr::is_html_output()) {
 ```{r echo=FALSE, results='asis'}
 if (knitr::is_latex_output()) {
   # Your code here
+  # By default, it outputs nothing.
+  # An empty code block would return the string 'NULL' to LaTeX, which would then be printed.
+  cat('')
 }
 ```
-- 
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