https://github.com/mgieseki/dvisvgm/issues/227
https://github.com/mgieseki/dvisvgm/commit/62d695b0bf0220a209d143f32054d5a3c872c992

From 62d695b0bf0220a209d143f32054d5a3c872c992 Mon Sep 17 00:00:00 2001
From: Martin Gieseking <martin.gieseking@uos.de>
Date: Sun, 5 Feb 2023 13:12:48 +0100
Subject: [PATCH] popPageContext: reset initial char context by only one level
 and don't rewind it back to the page element (fixes #227)

--- a/src/SVGTree.cpp
+++ b/src/SVGTree.cpp
@@ -330,11 +330,11 @@ void SVGTree::pushPageContext (unique_ptr<SVGElement> node) {
 }
 
 
-/** Pops the current context element and restored the previous one. */
+/** Pops the current context element and restores the previous one. */
 void SVGTree::popPageContext () {
 	if (!_pageContextStack.empty())
 		_pageContextStack.pop();
-	_charHandler->setInitialContextNode(_page);
+	_charHandler->setInitialContextNode(_pageContextStack.empty() ? _page : _pageContextStack.top());
 }