From 475179a53af1948ca726de1b11d4cdbe2aa90e58 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Fri, 23 Mar 2018 08:56:55 -0700
Subject: [PATCH] Omit extra space in Sphinx auto-attribute comments

This feature of Sphinx is described in:
http://www.sphinx-doc.org/en/stable/ext/autodoc.html#directive-autoattribute

Fixes #68
---
 README.md         |  3 +++
 black.py          |  2 +-
 tests/comments.py | 20 ++++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 014780b..5d3b118 100644
--- a/README.md
+++ b/README.md
@@ -324,6 +324,9 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
 * omit extra space in kwarg unpacking if it's the first argument (#46)
 
+* omit extra space in [Sphinx auto-attribute comments](http://www.sphinx-doc.org/en/stable/ext/autodoc.html#directive-autoattribute)
+  (#68)
+
 
 ### 18.3a3
 
diff --git a/black.py b/black.py
index 7ca6bc6..f03c4f1 100644
--- a/black.py
+++ b/black.py
@@ -1183,7 +1183,7 @@ def make_comment(content: str) -> str:
 
     if content[0] == '#':
         content = content[1:]
-    if content and content[0] not in {' ', '!', '#'}:
+    if content and content[0] not in ' !:#':
         content = ' ' + content
     return '#' + content
 
diff --git a/tests/comments.py b/tests/comments.py
index 34b38fe..42e42f5 100644
--- a/tests/comments.py
+++ b/tests/comments.py
@@ -49,6 +49,26 @@ GLOBAL_STATE = {'a': a(1), 'b': a(2), 'c': a(3)}
 # This time two lines.
 
 
+class Foo:
+    """Docstring for class Foo.  Example from Sphinx docs."""
+
+    #: Doc comment for class attribute Foo.bar.
+    #: It can have multiple lines.
+    bar = 1
+
+    flox = 1.5  #: Doc comment for Foo.flox. One line only.
+
+    baz = 2
+    """Docstring for class attribute Foo.baz."""
+
+    def __init__(self):
+        #: Doc comment for instance attribute qux.
+        self.qux = 3
+
+        self.spam = 4
+        """Docstring for instance attribute spam."""
+
+
 @fast(really=True)
 async def wat():
     async with X.open_async() as x:  # Some more comments
-- 
2.39.5