#14804: Remove [] around optional arguments with default values
Mostly just mechanical removal of []. In some rare cases I've pulled the
default value up into the argument list.
diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index f4e9d7c..33b39f2 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -162,7 +162,7 @@
The :mod:`csv` module defines the following classes:
-.. class:: DictReader(csvfile[, fieldnames=None[, restkey=None[, restval=None[, dialect='excel'[, *args, **kwds]]]]])
+.. class:: DictReader(csvfile, fieldnames=None, restkey=None, restval=None, dialect='excel', *args, **kwds)
Create an object which operates like a regular reader but maps the information
read into a dict whose keys are given by the optional *fieldnames* parameter.
@@ -175,7 +175,7 @@
the underlying :class:`reader` instance.
-.. class:: DictWriter(csvfile, fieldnames[, restval=''[, extrasaction='raise'[, dialect='excel'[, *args, **kwds]]]])
+.. class:: DictWriter(csvfile, fieldnames, restval='', extrasaction='raise', dialect='excel', *args, **kwds)
Create an object which operates like a regular writer but maps dictionaries onto
output rows. The *fieldnames* parameter identifies the order in which values in
@@ -219,7 +219,7 @@
The :class:`Sniffer` class provides two methods:
- .. method:: sniff(sample[, delimiters=None])
+ .. method:: sniff(sample, delimiters=None)
Analyze the given *sample* and return a :class:`Dialect` subclass
reflecting the parameters found. If the optional *delimiters* parameter