From 3aadf6cbebecbece20164fa33662dd325a18aedf Mon Sep 17 00:00:00 2001
From: Benjamin Mako Hill <mako@atdot.cc>
Date: Tue, 31 Mar 2026 15:02:21 -0700
Subject: [PATCH] Tag beamer frame titles as H1 headings for PDF accessibility

Patches the frametitle template to emit tagpdf H1 structure tags,
addressing accessibility reports about missing headings.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 slides_template/example.tex | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/slides_template/example.tex b/slides_template/example.tex
index 0146f4c..533ac5a 100644
--- a/slides_template/example.tex
+++ b/slides_template/example.tex
@@ -10,6 +10,15 @@
 \usepackage{tagpdf}
 \tagpdfsetup{activate-all}
 
+% Tag frame titles as H1 headings for PDF accessibility
+\addtobeamertemplate{frametitle}{%
+  \tagstructbegin{tag=H1}%
+  \tagmcbegin{tag=H1}%
+}{%
+  \tagmcend%
+  \tagstructend%
+}
+
 \usepackage{pgfpages}
 \input{notes.config}