Fix trailing whitespace

Fix invalid escape sequence

src/hissp/compiler.py

@@ -36,7 +36,7 @@
 ENV: ContextVar[Env | None] = ContextVar("ENV", default=None)
 """
 Expansion environment.
- 
+
 Sometimes a macro needs the current environment when expanding,
 instead of its defining environment.
 Rather than pass in an implicit argument to all macros,
@@ -728,7 +728,7 @@ def macroexpand_all(
     preprocess=lambda x: x,
     postprocess=lambda x: x,
 ):
-    """Recursively macroexpand everything possible from the outside-in.
+    R"""Recursively macroexpand everything possible from the outside-in.
 
     Pipes outer form through preprocess, :func:`macroexpand`, and
     postprocess, then recurs into `subform`\ s of the resulting

src/hissp/reader.py

@@ -1,6 +1,6 @@
 # Copyright 2019, 2020, 2021, 2022, 2023, 2024 Matthew Egan Odendahl
 # SPDX-License-Identifier: Apache-2.0
-"""
+R"""
 The Lissp language reader and associated helper functions.
 
 The reader is organized as a lexer and parser.
@@ -41,13 +41,13 @@
 number down to around one in ten thousand.)
 
 For unusual applications (if more than dozens of gensyms are expected in
-a shared scope, or one in a billion is still too high), hash length can 
+a shared scope, or one in a billion is still too high), hash length can
 be increased, up to a maximum of 32 bytes.
- 
-Even 8 bytes is enough space for a hundred thousand gensyms in the 
-same scope with similar collision probability, or dozens with a 
-one-in-quadrillion chance, which is probably lower than the risk of a 
-hardware failure. It's unlikely you'll ever need more than 16 bytes, 
+
+Even 8 bytes is enough space for a hundred thousand gensyms in the
+same scope with similar collision probability, or dozens with a
+one-in-quadrillion chance, which is probably lower than the risk of a
+hardware failure. It's unlikely you'll ever need more than 16 bytes,
 which has more space than `uuid.uuid4`.
 
 Each hash character encodes 5 bits (`Base32 <base64.b32encode>`),

tests/test_compiler.py

@@ -67,16 +67,16 @@ def test_post_compile_warn(self):
             __import__('operator').truediv(
               (0),
               (0))
-            
+
             # Traceback (most recent call last):"""
             // dedented,
             python,
         )
         self.assertIn(
             """\
             # ZeroDivisionError: division by zero
-            # 
-            
+            #\N{space}
+
             print(
               'oops')"""
             // dedented,