diff --git a/script/serve-public.js b/script/serve-public.js
index c5b2d7e1e5..eea3379624 100755
--- a/script/serve-public.js
+++ b/script/serve-public.js
@@ -29,8 +29,8 @@ const handler = (request, response) => {
 
     let stats = fs.statSync(filename, { throwIfNoEntry: false });
     if (!stats?.isFile() && !filename.match(/\.[A-Za-z0-9]{1,11}$/)) {
-	    filename += ".html";
-	    stats = fs.statSync(filename, { throwIfNoEntry: false });
+            filename += ".html";
+            stats = fs.statSync(filename, { throwIfNoEntry: false });
     }
     try{
         if (!stats?.isFile()) throw new Error(`Not a file: ${filename}`);
diff --git a/script/update-book2.rb b/script/update-book2.rb
index 36baea4b52..c040387ef8 100644
--- a/script/update-book2.rb
+++ b/script/update-book2.rb
@@ -196,7 +196,7 @@ def genbook(language_code, &get_content)
       end
 
       images.each do |path|
-        content = get_content.call(path)
+        content = get_content.call(path, :gently => true)
         csection.saveImage(path, content)
       rescue Errno::ENOENT
         begin
@@ -289,11 +289,11 @@ def remote_genbook2(language_code)
 # Generate book html directly from local git repo"
 def local_genbook2(language_code, worktree_path)
   if language_code && worktree_path
-    book = genbook(language_code) do |filename|
+    book = genbook(language_code) do |filename, options={}|
       File.open(File.join(worktree_path, filename), "r") { |infile| File.read(infile) }
-    rescue
-      puts "::error::#{filename} is missing!"
-      "**ERROR**: _#{filename} is missing_"
+    rescue => e
+      puts "::error::#{filename} is missing!" unless options[:gently]
+      raise e
     end
     book.sha = `git -C "#{worktree_path}" rev-parse HEAD`.chomp
     if language_code == 'en'