Issue #27076: Doc, comment and tests spelling fixes

Most fixes to Doc/ and Lib/ directories by Ville Skyttä.

Author: vadmium

Doc/glossary.rst

@@ -177,7 +177,7 @@ Glossary
       A buffer is considered contiguous exactly if it is either
       *C-contiguous* or *Fortran contiguous*.  Zero-dimensional buffers are
       C and Fortran contiguous.  In one-dimensional arrays, the items
-      must be layed out in memory next to each other, in order of
+      must be laid out in memory next to each other, in order of
       increasing indexes starting from zero.  In multidimensional
       C-contiguous arrays, the last index varies the fastest when
       visiting items in order of memory address.  However, in

Lib/_osx_support.py

@@ -151,7 +151,7 @@ def _find_appropriate_compiler(_config_vars):
     #    can only be found inside Xcode.app if the "Command Line Tools"
     #    are not installed.
     #
-    #    Futhermore, the compiler that can be used varies between
+    #    Furthermore, the compiler that can be used varies between
     #    Xcode releases. Up to Xcode 4 it was possible to use 'gcc-4.2'
     #    as the compiler, after that 'clang' should be used because
     #    gcc-4.2 is either not present, or a copy of 'llvm-gcc' that

Lib/asyncio/sslproto.py

@@ -603,7 +603,7 @@ def _on_handshake_complete(self, handshake_exc):
         self._wakeup_waiter()
         self._session_established = True
         # In case transport.write() was already called. Don't call
-        # immediatly _process_write_backlog(), but schedule it:
+        # immediately _process_write_backlog(), but schedule it:
         # _on_handshake_complete() can be called indirectly from
         # _process_write_backlog(), and _process_write_backlog() is not
         # reentrant.

Lib/cgi.py

@@ -184,7 +184,7 @@ def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
 
 
 # parse query string function called from urlparse,
-# this is done in order to maintain backward compatiblity.
+# this is done in order to maintain backward compatibility.
 
 def parse_qs(qs, keep_blank_values=0, strict_parsing=0):
     """Parse a query given as a string argument."""

Lib/collections/__init__.py

@@ -365,7 +365,7 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
     >>> x, y = p                        # unpack like a regular tuple
     >>> x, y
     (11, 22)
-    >>> p.x + p.y                       # fields also accessable by name
+    >>> p.x + p.y                       # fields also accessible by name
     33
     >>> d = p._asdict()                 # convert to a dictionary
     >>> d['x']

Lib/dis.py

@@ -287,7 +287,7 @@ def _get_instructions_bytes(code, varnames=None, names=None, constants=None,
         argrepr = ''
         if arg is not None:
             #  Set argval to the dereferenced value of the argument when
-            #  availabe, and argrepr to the string representation of argval.
+            #  available, and argrepr to the string representation of argval.
             #    _disassemble_bytes needs the string repr of the
             #    raw name index for LOAD_GLOBAL, LOAD_CONST, etc.
             argval = arg

Lib/distutils/msvc9compiler.py

@@ -51,7 +51,7 @@
 
 # A map keyed by get_platform() return values to values accepted by
 # 'vcvarsall.bat'.  Note a cross-compile may combine these (eg, 'x86_amd64' is
-# the param to cross-compile on x86 targetting amd64.)
+# the param to cross-compile on x86 targeting amd64.)
 PLAT_TO_VCVARS = {
     'win32' : 'x86',
     'win-amd64' : 'amd64',

Lib/distutils/tests/test_unixccompiler.py

@@ -127,7 +127,7 @@ def gcv(v):
         self.assertEqual(self.cc.linker_so[0], 'my_cc')
 
     @unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for OS X')
-    def test_osx_explict_ldshared(self):
+    def test_osx_explicit_ldshared(self):
         # Issue #18080:
         # ensure that setting CC env variable does not change
         #   explicit LDSHARED setting for linker

Lib/email/_header_value_parser.py

@@ -2872,7 +2872,7 @@ def parse_content_type_header(value):
         _find_mime_parameters(ctype, value)
         return ctype
     ctype.append(token)
-    # XXX: If we really want to follow the formal grammer we should make
+    # XXX: If we really want to follow the formal grammar we should make
     # mantype and subtype specialized TokenLists here.  Probably not worth it.
     if not value or value[0] != '/':
         ctype.defects.append(errors.InvalidHeaderDefect(

Lib/email/parser.py

@@ -23,7 +23,7 @@ def __init__(self, _class=None, *, policy=compat32):
         textual representation of the message.
 
         The string must be formatted as a block of RFC 2822 headers and header
-        continuation lines, optionally preceeded by a `Unix-from' header.  The
+        continuation lines, optionally preceded by a `Unix-from' header.  The
         header block is terminated either by the end of the string or by a
         blank line.
 
@@ -87,7 +87,7 @@ def __init__(self, *args, **kw):
         textual representation of the message.
 
         The input must be formatted as a block of RFC 2822 headers and header
-        continuation lines, optionally preceeded by a `Unix-from' header.  The
+        continuation lines, optionally preceded by a `Unix-from' header.  The
         header block is terminated either by the end of the input or by a
         blank line.