[3.7] bpo-35110: Fix unintentional spaces around hyphens and dashes. (GH-10231). (GH-10253)

(cherry picked from commit 3f819ca138db6945ee4271bf13e42db9f9b3b1e4)
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 0363111..db3a652 100644
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -276,9 +276,10 @@
 | ``+t1``                        | Returns a :class:`timedelta` object with the  |
 |                                | same value. (2)                               |
 +--------------------------------+-----------------------------------------------+
-| ``-t1``                        | equivalent to :class:`timedelta`\             |
-|                                | (-*t1.days*, -*t1.seconds*,                   |
-|                                | -*t1.microseconds*), and to *t1*\* -1. (1)(4) |
+| ``-t1``                        | equivalent to                                 |
+|                                | :class:`timedelta`\ (-*t1.days*,              |
+|                                | -*t1.seconds*, -*t1.microseconds*),           |
+|                                | and to *t1*\* -1. (1)(4)                      |
 +--------------------------------+-----------------------------------------------+
 | ``abs(t)``                     | equivalent to +\ *t* when ``t.days >= 0``, and|
 |                                | to -*t* when ``t.days < 0``. (2)              |