update the headers to be sentence case

Author: lpyu001

Doc/library/urllib.parse.rst

@@ -44,7 +44,7 @@ which was introduced in :rfc:`1808`. However, this term has been obsoleted by
 :rfc:`3986`, which introduced the term ``authority`` as its replacement.
 The use of ``netloc`` is continued for backward compatibility.
 
-URL Parsing
+URL parsing
 -----------
 
 The URL parsing functions focus on splitting a URL string into its components,
@@ -492,7 +492,7 @@ to be very cautious about making API behavior changes.
 
 .. _parsing-ascii-encoded-bytes:
 
-Parsing ASCII Encoded Bytes
+Parsing ASCII encoded bytes
 ---------------------------
 
 The URL parsing functions were originally designed to operate on character
@@ -537,7 +537,7 @@ individual URL quoting functions.
 
 .. _urlparse-result-object:
 
-Structured Parse Results
+Structured parse results
 ------------------------
 
 The result objects from the :func:`urlsplit`, :func:`urlparse`  and
@@ -705,7 +705,7 @@ operating on :class:`bytes` or :class:`bytearray` objects:
    .. versionadded:: 3.2
 
 
-URL Quoting
+URL quoting
 -----------
 
 The URL quoting functions focus on taking program data and making it safe

Doc/library/urllib.request.rst

@@ -517,7 +517,7 @@ The following classes are provided:
 
 .. _request-objects:
 
-Request Objects
+Request objects
 ---------------
 
 The following methods describe :class:`Request`'s public interface,
@@ -659,7 +659,7 @@ request.
 
 .. _opener-director-objects:
 
-OpenerDirector Objects
+OpenerDirector objects
 ----------------------
 
 :class:`OpenerDirector` instances have the following methods:
@@ -754,7 +754,7 @@ sorting the handler instances.
 
 .. _base-handler-objects:
 
-BaseHandler Objects
+BaseHandler objects
 -------------------
 
 :class:`BaseHandler` objects provide a couple of methods that are directly
@@ -889,7 +889,7 @@ The following attribute and methods should only be used by classes derived from
 
 .. _http-redirect-handler:
 
-HTTPRedirectHandler Objects
+HTTPRedirectHandler objects
 ---------------------------
 
 .. note::
@@ -956,7 +956,7 @@ HTTPRedirectHandler Objects
 
 .. _http-cookie-processor:
 
-HTTPCookieProcessor Objects
+HTTPCookieProcessor objects
 ---------------------------
 
 :class:`HTTPCookieProcessor` instances have one attribute:
@@ -968,7 +968,7 @@ HTTPCookieProcessor Objects
 
 .. _proxy-handler:
 
-ProxyHandler Objects
+ProxyHandler objects
 --------------------
 
 
@@ -984,7 +984,7 @@ ProxyHandler Objects
 
 .. _http-password-mgr:
 
-HTTPPasswordMgr Objects
+HTTPPasswordMgr objects
 -----------------------
 
 These methods are available on :class:`HTTPPasswordMgr` and
@@ -1010,7 +1010,7 @@ These methods are available on :class:`HTTPPasswordMgr` and
 
 .. _http-password-mgr-with-prior-auth:
 
-HTTPPasswordMgrWithPriorAuth Objects
+HTTPPasswordMgrWithPriorAuth objects
 ------------------------------------
 
 This password manager extends :class:`HTTPPasswordMgrWithDefaultRealm` to support
@@ -1046,7 +1046,7 @@ tracking URIs for which authentication credentials should always be sent.
 
 .. _abstract-basic-auth-handler:
 
-AbstractBasicAuthHandler Objects
+AbstractBasicAuthHandler objects
 --------------------------------
 
 
@@ -1066,7 +1066,7 @@ AbstractBasicAuthHandler Objects
 
 .. _http-basic-auth-handler:
 
-HTTPBasicAuthHandler Objects
+HTTPBasicAuthHandler objects
 ----------------------------
 
 
@@ -1077,7 +1077,7 @@ HTTPBasicAuthHandler Objects
 
 .. _proxy-basic-auth-handler:
 
-ProxyBasicAuthHandler Objects
+ProxyBasicAuthHandler objects
 -----------------------------
 
 
@@ -1088,7 +1088,7 @@ ProxyBasicAuthHandler Objects
 
 .. _abstract-digest-auth-handler:
 
-AbstractDigestAuthHandler Objects
+AbstractDigestAuthHandler objects
 ---------------------------------
 
 
@@ -1102,7 +1102,7 @@ AbstractDigestAuthHandler Objects
 
 .. _http-digest-auth-handler:
 
-HTTPDigestAuthHandler Objects
+HTTPDigestAuthHandler objects
 -----------------------------
 
 
@@ -1113,7 +1113,7 @@ HTTPDigestAuthHandler Objects
 
 .. _proxy-digest-auth-handler:
 
-ProxyDigestAuthHandler Objects
+ProxyDigestAuthHandler objects
 ------------------------------
 
 
@@ -1124,7 +1124,7 @@ ProxyDigestAuthHandler Objects
 
 .. _http-handler-objects:
 
-HTTPHandler Objects
+HTTPHandler objects
 -------------------
 
 
@@ -1136,7 +1136,7 @@ HTTPHandler Objects
 
 .. _https-handler-objects:
 
-HTTPSHandler Objects
+HTTPSHandler objects
 --------------------
 
 
@@ -1148,7 +1148,7 @@ HTTPSHandler Objects
 
 .. _file-handler-objects:
 
-FileHandler Objects
+FileHandler objects
 -------------------
 
 
@@ -1164,7 +1164,7 @@ FileHandler Objects
 
 .. _data-handler-objects:
 
-DataHandler Objects
+DataHandler objects
 -------------------
 
 .. method:: DataHandler.data_open(req)
@@ -1179,7 +1179,7 @@ DataHandler Objects
 
 .. _ftp-handler-objects:
 
-FTPHandler Objects
+FTPHandler objects
 ------------------
 
 
@@ -1191,7 +1191,7 @@ FTPHandler Objects
 
 .. _cacheftp-handler-objects:
 
-CacheFTPHandler Objects
+CacheFTPHandler objects
 -----------------------
 
 :class:`CacheFTPHandler` objects are :class:`FTPHandler` objects with the
@@ -1210,7 +1210,7 @@ following additional methods:
 
 .. _unknown-handler-objects:
 
-UnknownHandler Objects
+UnknownHandler objects
 ----------------------
 
 
@@ -1221,7 +1221,7 @@ UnknownHandler Objects
 
 .. _http-error-processor-objects:
 
-HTTPErrorProcessor Objects
+HTTPErrorProcessor objects
 --------------------------
 
 .. method:: HTTPErrorProcessor.http_response(request, response)
@@ -1497,7 +1497,7 @@ some point in the future.
    calls to :func:`urlretrieve`.
 
 
-:mod:`!urllib.request` Restrictions
+:mod:`!urllib.request` restrictions
 -----------------------------------
 
 .. index::