From b539515f5624950f3faef691e0c91575f4d054e6 Mon Sep 17 00:00:00 2001
From: Holger Just <holger@plan.io>
Date: Mon, 14 Aug 2017 15:21:33 +0200
Subject: [PATCH] URL-escape the ! character in generated markup for dropped
 uploads

---
 public/javascripts/attachments.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/javascripts/attachments.js b/public/javascripts/attachments.js
index 21ca97801..b6479b212 100644
--- a/public/javascripts/attachments.js
+++ b/public/javascripts/attachments.js
@@ -214,7 +214,7 @@ function addInlineAttachmentMarkup(file) {
     var cursorPosition = $textarea.prop('selectionStart');
     var description = $textarea.val();
     var sanitizedFilename = file.name.replace(/[\/\?\%\*\:\|\"\'<>\n\r]+/, '_');
-    var inlineFilename = encodeURIComponent(sanitizedFilename);
+    var inlineFilename = encodeURIComponent(sanitizedFilename).replace('!', '%21');
     var newLineBefore = true;
     var newLineAfter = true;
     if(cursorPosition === 0 || description.substr(cursorPosition-1,1).match(/\r|\n/)) {
-- 
2.13.0