From 063a64bab08d7a515e8b314f2fea8a1288864a1d Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+aa-turner@users.noreply.github.com>
Date: Sat, 19 Oct 2024 21:11:26 +0100
Subject: [PATCH] Add `self.has_equations = True` to
 `{visit,depart}_math_block()`

---
 sphinx/writers/html5.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sphinx/writers/html5.py b/sphinx/writers/html5.py
index 0b0d55858c5..e58182310f3 100644
--- a/sphinx/writers/html5.py
+++ b/sphinx/writers/html5.py
@@ -960,6 +960,7 @@ def visit_field(self, node: Element) -> None:
 
     def visit_math(self, node: Element, math_env: str = '') -> None:
         self.has_equations = True
+
         # see validate_math_renderer
         name: str = self.builder.math_renderer_name  # type: ignore[assignment]
         visit, _ = self.builder.app.registry.html_inline_math_renderers[name]
@@ -967,6 +968,7 @@ def visit_math(self, node: Element, math_env: str = '') -> None:
 
     def depart_math(self, node: Element, math_env: str = '') -> None:
         self.has_equations = True
+
         # see validate_math_renderer
         name: str = self.builder.math_renderer_name  # type: ignore[assignment]
         _, depart = self.builder.app.registry.html_inline_math_renderers[name]
@@ -974,12 +976,16 @@ def depart_math(self, node: Element, math_env: str = '') -> None:
             depart(self, node)
 
     def visit_math_block(self, node: Element, math_env: str = '') -> None:
+        self.has_equations = True
+
         # see validate_math_renderer
         name: str = self.builder.math_renderer_name  # type: ignore[assignment]
         visit, _ = self.builder.app.registry.html_block_math_renderers[name]
         visit(self, node)
 
     def depart_math_block(self, node: Element, math_env: str = '') -> None:
+        self.has_equations = True
+
         # see validate_math_renderer
         name: str = self.builder.math_renderer_name  # type: ignore[assignment]
         _, depart = self.builder.app.registry.html_block_math_renderers[name]