Several improvements to the HTML NEWS version:
* rename to "Changelog"
* recognize more issue links
* add NEWS as a dependency for Sphinx
diff --git a/Doc/tools/sphinxext/pyspecific.py b/Doc/tools/sphinxext/pyspecific.py
index 9304461..1808e28 100644
--- a/Doc/tools/sphinxext/pyspecific.py
+++ b/Doc/tools/sphinxext/pyspecific.py
@@ -149,10 +149,9 @@
 
 import re
 import codecs
-from docutils.statemachine import string2lines
-from sphinx.util.nodes import nested_parse_with_titles
 
-issue_re = re.compile('Issue #([0-9]+)')
+issue_re = re.compile('([Ii])ssue #([0-9]+)')
+whatsnew_re = re.compile(r"(?im)^what's new in (.*?)\??$")
 
 class MiscNews(Directive):
     has_content = False
@@ -166,8 +165,10 @@
         source = self.state_machine.input_lines.source(
             self.lineno - self.state_machine.input_offset - 1)
         source_dir = path.dirname(path.abspath(source))
+        fpath = path.join(source_dir, fname)
+        self.state.document.settings.record_dependencies.add(fpath)
         try:
-            fp = codecs.open(path.join(source_dir, fname), encoding='utf-8')
+            fp = codecs.open(fpath, encoding='utf-8')
             try:
                 content = fp.read()
             finally:
@@ -176,8 +177,9 @@
             text = 'The NEWS file is not available.'
             node = nodes.strong(text, text)
             return [node]
-        content = issue_re.sub(r'`Issue #\1 <http://bugs.python.org/\1>`__',
+        content = issue_re.sub(r'`\1ssue #\2 <http://bugs.python.org/\2>`__',
                                content)
+        content = whatsnew_re.sub(r'\1', content)
         # remove first 3 lines as they are the main heading
         lines = content.splitlines()[3:]
         self.state_machine.insert_input(lines, fname)