Don't use "if False"...

And tidy code a little.

Author: rocky

mathicsscript/completion.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (C) 2021-2022, 2024 Rocky Bernstein <[email protected]>
+# Copyright (C) 2021-2022, 2024-2025 Rocky Bernstein <[email protected]>
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
 #   the Free Software Foundation, either version 3 of the License, or
@@ -28,12 +28,12 @@
 
 SYMBOLS = rf"[`]?({Regex.IDENTIFIER}|{Regex.NAMED_CHARACTER})(`({Regex.IDENTIFIER}|{Regex.NAMED_CHARACTER}))+[`]?"
 
-if False:  # FIXME reinstate this
-    NAMED_CHARACTER_START = rf"\\\[{Regex.IDENTIFIER}"
-    FIND_MATHICS_WORD_RE = re.compile(
-        rf"({NAMED_CHARACTER_START})|(?:.*[\[\(])?({SYMBOLS}$)"
-    )
+# # The below is a more precise definition for a Mathics3 "word" or
+# # "identifier", but it is wrong somehow.  NAMED_CHARACTER_START =
+# rf"\\\[{Regex.IDENTIFIER}" FIND_MATHICS_WORD_RE = re.compile(
+# rf"({NAMED_CHARACTER_START})|(?:.*[\[\(])?({SYMBOLS}$)" )
 FIND_MATHICS_WORD_RE = re.compile(r"((?:\[)?[^\s\[\(\{]+)")
+
 CHARGROUP_START = frozenset(["(", "[", "{", ","])