Update "unicode_to_ascii.py" utility.

Author: KelSolaar

utilities/unicode_to_ascii.py

@@ -46,9 +46,9 @@ def unicode_to_ascii(root_directory):
 
     for root, dirnames, filenames in os.walk(root_directory):
         for filename in filenames:
-            if (not filename.endswith('.py') and
-                    not filename.endswith('.bib') and
-                    not filename.endswith('.rst')):
+            if (not filename.endswith('.tex') and not filename.endswith('.py')
+                    and not filename.endswith('.bib')
+                    and not filename.endswith('.rst')):
                 continue
 
             if filename == 'unicode_to_ascii.py':
@@ -62,8 +62,7 @@ def unicode_to_ascii(root_directory):
                 for key, value in SUBSTITUTIONS.items():
                     content = content.replace(key, value)
 
-                content = unicodedata.normalize('NFD', content).encode(
-                    'ascii', 'ignore')
+                content = unicodedata.normalize('NFD', content)
 
                 file_handle.write(content)