Target Redump DATs/catalog instead of No-Intro

app/dat_parser.py

@@ -1,6 +1,6 @@
 """Parser for clrmamepro (.dat) files.
 
-Handles the No-Intro / Redump text DAT format::
+Handles the clrmamepro text DAT format used by Redump and No-Intro::
 
     clrmamepro (
         name "Sony - PlayStation Portable"

app/matcher.py

@@ -16,7 +16,7 @@ _ARTICLE_RE = re.compile(r"^(.+),\s*(the|a|an)(?:\s+-\s+(.+))?$")
 def _normalize(name):
     name = name.lower()
     name = re.sub(r"\.(iso|cso|pbp|img|bin)$", "", name)  # strip disc extension
-    name = re.sub(r"^\s*\d+\s*-\s*", "", name)  # leading No-Intro catalog number
+    name = re.sub(r"^\s*\d+\s*-\s*", "", name)  # legacy No-Intro "#### - Name" catalog number
     name = re.sub(r"\([^)]*\)", " ", name)      # parenthetical tags
     name = " ".join(name.split())
     m = _ARTICLE_RE.match(name)
@@ -141,7 +141,7 @@ def match(conn, record):
         if row is not None:
             return f"hash:{field}", dict(row)
 
-    # 2. Local supplement catalog (dumps not present in No-Intro).
+    # 2. Local supplement catalog (dumps not present in the DATs).
     for entry in _load_supplement():
         for field in ("crc32", "sha1", "md5"):
             value = entry.get(field)