Last round of adapting style of documenting argument default values.
diff --git a/Doc/library/xml.sax.utils.rst b/Doc/library/xml.sax.utils.rst
index 43bf69e..95099f6 100644
--- a/Doc/library/xml.sax.utils.rst
+++ b/Doc/library/xml.sax.utils.rst
@@ -1,4 +1,3 @@
-
:mod:`xml.sax.saxutils` --- SAX Utilities
=========================================
@@ -13,7 +12,7 @@
or as base classes.
-.. function:: escape(data[, entities])
+.. function:: escape(data, entities={})
Escape ``'&'``, ``'<'``, and ``'>'`` in a string of data.
@@ -23,7 +22,7 @@
``'>'`` are always escaped, even if *entities* is provided.
-.. function:: unescape(data[, entities])
+.. function:: unescape(data, entities={})
Unescape ``'&'``, ``'<'``, and ``'>'`` in a string of data.
@@ -33,7 +32,7 @@
are always unescaped, even if *entities* is provided.
-.. function:: quoteattr(data[, entities])
+.. function:: quoteattr(data, entities={})
Similar to :func:`escape`, but also prepares *data* to be used as an
attribute value. The return value is a quoted version of *data* with any
@@ -51,7 +50,7 @@
using the reference concrete syntax.
-.. class:: XMLGenerator([out[, encoding]])
+.. class:: XMLGenerator(out=None, encoding='iso-8859-1')
This class implements the :class:`ContentHandler` interface by writing SAX
events back into an XML document. In other words, using an :class:`XMLGenerator`
@@ -69,7 +68,7 @@
requests as they pass through.
-.. function:: prepare_input_source(source[, base])
+.. function:: prepare_input_source(source, base='')
This function takes an input source and an optional base URL and returns a fully
resolved :class:`InputSource` object ready for reading. The input source can be