From 4cd2ca2eb3b863e0ea6eb331a1619c08453dbaee Mon Sep 17 00:00:00 2001
From: John Factotum <50942278+johnfactotum@users.noreply.github.com>
Date: Sat, 28 Sep 2024 19:31:32 +0800
Subject: [PATCH] PDF: fix comment

---
 pdf.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdf.js b/pdf.js
index a686ab4..fc224f9 100644
--- a/pdf.js
+++ b/pdf.js
@@ -19,8 +19,8 @@ const render = async (page, doc, zoom) => {
     doc.documentElement.style.setProperty('--scale-factor', scale)
     const viewport = page.getViewport({ scale })
 
-    // for some reason must use `document`'s canvas
-    // using a canvas in `doc` results in tofu
+    // the canvas must be in the `PDFDocument`'s `ownerDocument`
+    // (`globalThis.document` by default); that's where the fonts are loaded
     const canvas = document.createElement('canvas')
     canvas.height = viewport.height
     canvas.width = viewport.width