From f5e7d62f90f5eb88afad45d56017c42835149d0c Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sun, 28 Dec 2025 21:37:23 +0100
Subject: Generate code block documentation using FLTK (#1353)

The Doxygen-to-pdf toolchain can not easily generate
pdf's with Japanese and Chinese characters. This patch
generates code blocks by rendering them in FLTK.
---
 documentation/src/unicode.dox | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'documentation/src/unicode.dox')

diff --git a/documentation/src/unicode.dox b/documentation/src/unicode.dox
index b2eb7b872..b640e170e 100644
--- a/documentation/src/unicode.dox
+++ b/documentation/src/unicode.dox
@@ -20,6 +20,16 @@ are not yet implemented.
 
 \section unicode_quick_start Quick Start
 
+International code test for HTML and PDF:
+
+\code_international{"generated/unicode_about.png"}
+// This is a test
+// 日本語テストテキスト
+// 中文测试文本
+// Ελληνικό κείμενο δοκιμής
+\endcode_international
+
+
 For most applications, you simply need to ensure your text is UTF-8 encoded:
 
 \code
-- 
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