From 85a67456ed9c53b6d08a97d86f0702ccd7c26fd1 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Thu, 11 Jun 2020 12:15:18 +0200
Subject: [PATCH] Prevent the (old) preprocessor from appending trailing
 whitespace when removing closing HTML comments

This can currently be seen in the *built* `web/viewer.html` file, at the line containing "  <script src="viewer.js"></script>  ".
---
 external/builder/builder.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/builder/builder.js b/external/builder/builder.js
index 9ae6775949cdf..edfb23cffa57b 100644
--- a/external/builder/builder.js
+++ b/external/builder/builder.js
@@ -181,7 +181,7 @@ function preprocess(inFilename, outFilename, defines) {
         !stack.includes(STATE_IF_FALSE) &&
         !stack.includes(STATE_ELSE_FALSE)
       ) {
-        writeLine(line.replace(/^\/\/|^<!--|-->$/g, "  "));
+        writeLine(line.replace(/^\/\/|^<!--/g, "  ").replace(/-->$/g, ""));
       }
     }
   }