Update signature style for optional arguments, part 3.

1 files changed, 10 insertions, 12 deletions

diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index 00f273e..292c0ce 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -72,7 +72,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    The constructor for this class is:
 
 
-   .. function:: __init__([tabsize][, wrapcolumn][, linejunk][, charjunk])
+   .. method:: __init__(tabsize=8, wrapcolumn=None, linejunk=None, charjunk=IS_CHARACTER_JUNK)
 
       Initializes instance of :class:`HtmlDiff`.
 
@@ -88,8 +88,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
 
    The following methods are public:
 
-
-   .. function:: make_file(fromlines, tolines [, fromdesc][, todesc][, context][, numlines])
+   .. method:: make_file(fromlines, tolines, fromdesc='', todesc='', context=False, numlines=5)
 
       Compares *fromlines* and *tolines* (lists of strings) and returns a string which
       is a complete HTML file containing a table showing line by line differences with
@@ -108,8 +107,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
       the next difference highlight at the top of the browser without any leading
       context).
 
-
-   .. function:: make_table(fromlines, tolines [, fromdesc][, todesc][, context][, numlines])
+   .. method:: make_table(fromlines, tolines, fromdesc='', todesc='', context=False, numlines=5)
 
       Compares *fromlines* and *tolines* (lists of strings) and returns a string which
       is a complete HTML table showing line by line differences with inter-line and
@@ -122,7 +120,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    contains a good example of its use.
 
 
-.. function:: context_diff(a, b[, fromfile][, tofile][, fromfiledate][, tofiledate][, n][, lineterm])
+.. function:: context_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\\n')
 
    Compare *a* and *b* (lists of strings); return a delta (a :term:`generator`
    generating the delta lines) in context diff format.
@@ -167,7 +165,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    See :ref:`difflib-interface` for a more detailed example.
 
 
-.. function:: get_close_matches(word, possibilities[, n][, cutoff])
+.. function:: get_close_matches(word, possibilities, n=3, cutoff=0.6)
 
    Return a list of the best "good enough" matches.  *word* is a sequence for which
    close matches are desired (typically a string), and *possibilities* is a list of
@@ -193,7 +191,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
       ['except']
 
 
-.. function:: ndiff(a, b[, linejunk][, charjunk])
+.. function:: ndiff(a, b, linejunk=None, charjunk=IS_CHARACTER_JUNK)
 
    Compare *a* and *b* (lists of strings); return a :class:`Differ`\ -style
    delta (a :term:`generator` generating the delta lines).
@@ -253,7 +251,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
       emu
 
 
-.. function:: unified_diff(a, b[, fromfile][, tofile][, fromfiledate][, tofiledate][, n][, lineterm])
+.. function:: unified_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\\n')
 
    Compare *a* and *b* (lists of strings); return a delta (a :term:`generator`
    generating the delta lines) in unified diff format.
@@ -326,7 +324,7 @@ SequenceMatcher Objects
 The :class:`SequenceMatcher` class has this constructor:
 
 
-.. class:: SequenceMatcher([isjunk[, a[, b]]])
+.. class:: SequenceMatcher(isjunk=None, a='', b='')
 
    Optional argument *isjunk* must be ``None`` (the default) or a one-argument
    function that takes a sequence element and returns true if and only if the
@@ -467,7 +465,7 @@ The :class:`SequenceMatcher` class has this constructor:
          insert a[6:6] () b[5:6] (f)
 
 
-   .. method:: get_grouped_opcodes([n])
+   .. method:: get_grouped_opcodes(n=3)
 
       Return a :term:`generator` of groups with up to *n* lines of context.
 
@@ -580,7 +578,7 @@ locality, at the occasional cost of producing a longer diff.
 The :class:`Differ` class has this constructor:
 
 
-.. class:: Differ([linejunk[, charjunk]])
+.. class:: Differ(linejunk=None, charjunk=None)
 
    Optional keyword parameters *linejunk* and *charjunk* are for filter functions
    (or ``None``):