From 6e652a242bb906454f033f8cb24226717b9f2e23 Mon Sep 17 00:00:00 2001
From: Till Berger <till@mellthas.de>
Date: Wed, 17 Nov 2021 18:40:40 +0100
Subject: [PATCH] Fix rendering of zero-width blocks

---
 src/FrameDecorator/Block.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FrameDecorator/Block.php b/src/FrameDecorator/Block.php
index aa6b7b604..1a7c5acf7 100644
--- a/src/FrameDecorator/Block.php
+++ b/src/FrameDecorator/Block.php
@@ -164,7 +164,7 @@ function add_frame_to_line(Frame $frame)
 
         // FIXME: Why? Doesn't quite seem to be the correct thing to do,
         // but does appear to be necessary. Hack to handle wrapped white space?
-        if ($w == 0 && $frame->get_node()->nodeName !== "hr" && !$frame->is_pre()) {
+        if ($w === 0.0 && $frame->is_text_node() && !$frame->is_pre()) {
             return;
         }