From ddacfc0b8a3412fc47e615fd91b30430d037e5bb Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Tue, 19 Nov 2024 05:03:09 -0500
Subject: [PATCH] Strip invalid quotes around `charset` in feed responses

E.g., https://bmcmedethics.biomedcentral.com/articles/most-recent/rss.xml
---
 resource/feeds/SAXXMLReader.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/resource/feeds/SAXXMLReader.js b/resource/feeds/SAXXMLReader.js
index eaba91509a..89c6b41d0d 100644
--- a/resource/feeds/SAXXMLReader.js
+++ b/resource/feeds/SAXXMLReader.js
@@ -67,7 +67,11 @@ class SAXXMLReader {
 		let charset = response.headers.get("Content-Type")
 			?.match(/charset=([^;]+)/)
 			?.[1];
-		if (!charset) {
+		if (charset) {
+			// Strip surrounding quotes, which are invalid
+			charset = charset.replace(/^["']|["']$/g, '');
+		}
+		else {
 			charset = 'utf-8';
 		}
 		this._data = new TextDecoder(charset).decode(buf);