From 220fca9a1d20a55d545e736f14ca21680ac4bd9b Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Mon, 14 Jun 2021 12:58:10 +1000
Subject: [PATCH] handle <br/> when rendering a single line

+ case-insensitive matching

https://forums.ankiweb.net/t/html-editor-modifies-note-when-a-field-with-break-tags-is-opened/10772
---
 rslib/src/text.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rslib/src/text.rs b/rslib/src/text.rs
index b7bfa3f92..ae110119d 100644
--- a/rslib/src/text.rs
+++ b/rslib/src/text.rs
@@ -106,7 +106,7 @@ lazy_static! {
             \[/anki:tts\]
             "#).unwrap();
 
-    static ref PERSISTENT_HTML_SPACERS: Regex = Regex::new("<br>|<br />|<div>|\n").unwrap();
+    static ref PERSISTENT_HTML_SPACERS: Regex = Regex::new(r#"(?i)<br\s*/?>|<div>|\n"#).unwrap();
 
     static ref UNPRINTABLE_TAGS: Regex = Regex::new(
         r"(?xs)