diff --git a/url_manager/extract_onetab_storage.py b/url_manager/extract_onetab_storage.py
index ab05742..4b0226c 100755
--- a/url_manager/extract_onetab_storage.py
+++ b/url_manager/extract_onetab_storage.py
@@ -3,7 +3,9 @@
 OneTab storage extractor.
 
 Parse OneTab data stored in Firefox's JSON file or Chrome's LevelDB
-storage, then pretty print the OneTab user data as JSON.
+storage, then pretty print the OneTab user data as JSON. Data is cleaned as
+part of parsing but no restructuring is done.
+
 
 See the docs/browsers_onetab_extraction.md file for instructions.
 """
@@ -22,6 +24,8 @@
 
 # Path to OneTab data within a directory for a browser user. This
 # is for both Linux and Mac.
+# FIXME: This does not work after March 2019. There is a storage.js.migrated
+# file and the new one is somewhere else.
 FIREFOX_ONETAB = "browser-extension-data/extension@one-tab.com/storage.js"
 CHROME_ONETAB = "Local Storage/leveldb"
 
@@ -77,7 +81,21 @@ def parse_leveldb_bytes(data_bytes):
     # Convert double backlash to single. This handles cases like '\\"' => '\"'.
     data_str = raw_str.replace("\\\\", "\\")
 
-    # Edgecase handled by inspection on a title about union and intersection,
+    ###
+
+    # TESTING
+
+    # Repeat 3? why doesn't it pick up later?
+    # TODO TEST MORE. chrome and FF
+    data_str = data_str.replace("\xe2\x88\xaa", "!!!")
+    # TODO TEST MORE. chrome and FF
+    data_str = data_str.replace('()")', "(@@@)")
+    # http://www.personal.psu.edu/ejp10/blogs/gotunicode/2007/09/inserting-the-union-and-inters-1.html
+
+    ###
+
+    # Edgecase handled by inspection on a title about union and intersection.
+
     data_str = data_str.replace('(*")', "(&)")
     data_str = data_str.replace('()")', "(|)")
 
@@ -104,6 +122,7 @@ def parse_leveldb_bytes(data_bytes):
     try:
         return json.loads(data_str)
     except json.JSONDecodeError as e:
+        # Run everytime?
         print(f"{type(e).__name__}: {str(e)}")
 
         var_dir = conf.get("text_files", "debug")