[3.14] gh-138005: Document that CSV `skipinitialspace=True` and `delimiter=' '` requi...

Co-authored-by: Maurycy Pawłowski-Wieroński <5383+maurycy@users.noreply.github.com>

diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index d39c4ca4a5838be20a7f46102aba237258b3efdf..4242fc51ab395c3f383c5f76797a502867132c81 100644 (file)
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -467,7 +467,8 @@ Dialects support the following attributes:
 .. attribute:: Dialect.skipinitialspace
 
    When :const:`True`, spaces immediately following the *delimiter* are ignored.
-   The default is :const:`False`.
+   The default is :const:`False`.  When combining ``delimiter=' '`` with
+   ``skipinitialspace=True``, unquoted empty fields are not allowed.
 
 
 .. attribute:: Dialect.strict
@@ -636,7 +637,7 @@ done::
 .. rubric:: Footnotes
 
 .. [1] If ``newline=''`` is not specified, newlines embedded inside quoted fields
-   will not be interpreted correctly, and on platforms that use ``\r\n`` linendings
+   will not be interpreted correctly, and on platforms that use ``\r\n`` line endings
    on write an extra ``\r`` will be added.  It should always be safe to specify
    ``newline=''``, since the csv module does its own
    (:term:`universal <universal newlines>`) newline handling.