diff --git a/linux-x64/clang/bin/git-clang-format b/linux-x64/clang/bin/git-clang-format
index ef7f22d..ccd2f50 100755
--- a/linux-x64/clang/bin/git-clang-format
+++ b/linux-x64/clang/bin/git-clang-format
@@ -45,7 +45,7 @@
 The following git-config settings set the default of the corresponding option:
   clangFormat.binary
   clangFormat.commit
-  clangFormat.extension
+  clangFormat.extensions
   clangFormat.style
 '''
 
@@ -77,13 +77,14 @@
       'c', 'h',  # C
       'm',  # ObjC
       'mm',  # ObjC++
-      'cc', 'cp', 'cpp', 'c++', 'cxx', 'hpp', 'hxx',  # C++
-      'cu',  # CUDA
+      'cc', 'cp', 'cpp', 'c++', 'cxx', 'hh', 'hpp', 'hxx',  # C++
+      'cu', 'cuh',  # CUDA
       # Other languages that clang-format supports
       'proto', 'protodevel',  # Protocol Buffers
       'java',  # Java
       'js',  # JavaScript
       'ts',  # TypeScript
+      'cs',  # C Sharp
       ])
 
   p = argparse.ArgumentParser(
@@ -147,7 +148,8 @@
       for filename in changed_lines:
         print('    %s' % filename)
   if not changed_lines:
-    print('no modified files to format')
+    if opts.verbose >= 0:
+      print('no modified files to format')
     return
   # The computed diff outputs absolute paths, so we must cd before accessing
   # those files.
@@ -191,7 +193,12 @@
   out = {}
   for entry in run('git', 'config', '--list', '--null').split('\0'):
     if entry:
-      name, value = entry.split('\n', 1)
+      if '\n' in entry:
+        name, value = entry.split('\n', 1)
+      else:
+        # A setting with no '=' ('\n' with --null) is implicitly 'true'
+        name = entry
+        value = 'true'
       if name in non_string_options:
         value = run('git', 'config', non_string_options[name], name)
       out[name] = value