From 33e30d9a0b3da5497c9c96ee78ad2d533124e5a7 Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Mon, 12 Aug 2024 17:07:13 -0400
Subject: [PATCH] Fix embedding of historical images (internal files)

---
 CHANGELOG.md       | 4 ++++
 lib/formats.coffee | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c633ea..73db6b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ To see every change with descriptions aimed at developers, see
 As a continuously updated web app, Coauthor uses dates
 instead of version numbers.
 
+## 2024-08-12
+
+* Fix embedding of historical images (internal files)
+
 ## 2024-07-10
 
 * Security fix for pdfjs, fixing [vulnerability to malicious PDF](https://github.com/advisories/GHSA-wgrm-67xf-hhpq)
diff --git a/lib/formats.coffee b/lib/formats.coffee
index 2b624c0..6f049e4 100644
--- a/lib/formats.coffee
+++ b/lib/formats.coffee
@@ -782,8 +782,9 @@ postprocessCoauthorLinks = (text, msgId) ->
         return match unless fileMsg?
         {attrs, prefix} = imageTitleAndWarning fileMsg, msgId
         fileId = fileMsg.file
-      else
+      else # if isInternalFile
         fileId = url2internalFile url
+        attrs = prefix = ''
       file = findFile fileId
       return match unless file?
       prefix +