Normalize whitespace.

Fix a number of markup consistency buglets.

Doc/whatsnew/whatsnew23.tex

@@ -68,7 +68,7 @@ Set([1, 2, 5])
 
 The union and intersection of sets can be computed with the
 \method{union()} and \method{intersection()} methods, or,
-alternatively, using the bitwise operators \samp{\&} and \samp{|}.
+alternatively, using the bitwise operators \code{\&} and \code{|}.
 Mutable sets also have in-place versions of these methods,
 \method{union_update()} and \method{intersection_update()}.
 
@@ -356,9 +356,9 @@ plus a newline.
 
 Python's file objects can now support end of line conventions other
 than the one followed by the platform on which Python is running.
-Opening a file with the mode \samp{U} or \samp{rU} will open a file
+Opening a file with the mode \code{'U'} or \code{'rU'} will open a file
 for reading in universal newline mode.  All three line ending
-conventions will be translated to a \samp{\e n} in the strings
+conventions will be translated to a \character{\e n} in the strings
 returned by the various file methods such as \method{read()} and
 \method{readline()}.
 
@@ -369,7 +369,7 @@ without needing to convert the line-endings.
 
 This feature can be disabled at compile-time by specifying
 \longprogramopt{without-universal-newlines} when running Python's
-\file{configure} script.
+\program{configure} script.
 
 \begin{seealso}
 
@@ -449,7 +449,7 @@ False
 
 Python's Booleans were added with the primary goal of making code
 clearer.  For example, if you're reading a function and encounter the
-statement \code{return 1}, you might wonder whether the \samp{1}
+statement \code{return 1}, you might wonder whether the \code{1}
 represents a truth value, or whether it's an index, or whether it's a
 coefficient that multiplies some other quantity.  If the statement is
 \code{return True}, however, the meaning of the return value is quite
@@ -479,7 +479,8 @@ random object, and the Boolean type is a subclass of the
 To sum up \constant{True} and \constant{False} in a sentence: they're
 alternative ways to spell the integer values 1 and 0, with the single
 difference that \function{str()} and \function{repr()} return the
-strings \samp{True} and \samp{False} instead of \samp{1} and \samp{0}.
+strings \code{'True'} and \code{'False'} instead of \code{'1'} and
+\code{'0'}.
 
 \begin{seealso}
 
@@ -742,7 +743,7 @@ by setting the limit back to a lower number by calling
 
 \item One minor but far-reaching change is that the names of extension
 types defined by the modules included with Python now contain the
-module and a \samp{.} in front of the type name.  For example, in
+module and a \character{.} in front of the type name.  For example, in
 Python 2.2, if you created a socket and printed its
 \member{__class__}, you'd get this output:
 
@@ -878,16 +879,16 @@ details.
 \begin{itemize}
 
 \item The \module{array} module now supports arrays of Unicode
-characters using the \samp{u} format character.  Arrays also now
+characters using the \character{u} format character.  Arrays also now
 support using the \code{+=} assignment operator to add another array's
 contents, and the \code{*=} assignment operator to repeat an array.
 (Contributed by Jason Orendorff.)
 
 \item The Distutils \class{Extension} class now supports
-an extra constructor argument named \samp{depends} for listing
+an extra constructor argument named \var{depends} for listing
 additional source files that an extension depends on.  This lets
 Distutils recompile the module if any of the dependency files are
-modified.  For example, if \samp{sampmodule.c} includes the header
+modified.  For example, if \file{sampmodule.c} includes the header
 file \file{sample.h}, you would create the \class{Extension} object like
 this:
 
@@ -1246,7 +1247,7 @@ allocate objects, and \cfunction{PyObject_GC_Del} to deallocate them.
 
 \item Python can now optionally be built as a shared library
 (\file{libpython2.3.so}) by supplying \longprogramopt{enable-shared}
-when running Python's \file{configure} script.  (Contributed by Ondrej
+when running Python's \program{configure} script.  (Contributed by Ondrej
 Palkovsky.)
 
 \item The \csimplemacro{DL_EXPORT} and \csimplemacro{DL_IMPORT} macros
@@ -1258,7 +1259,7 @@ macros.
 
 \item The interpreter can be compiled without any docstrings for
 the built-in functions and modules by supplying
-\longprogramopt{without-doc-strings} to the \file{configure} script.
+\longprogramopt{without-doc-strings} to the \program{configure} script.
 This makes the Python executable about 10\% smaller, but will also
 mean that you can't get help for Python's built-ins.  (Contributed by
 Gustavo Niemeyer.)
@@ -1266,7 +1267,7 @@ Gustavo Niemeyer.)
 \item The cycle detection implementation used by the garbage collection
 has proven to be stable, so it's now being made mandatory; you can no
 longer compile Python without it, and the
-\longprogramopt{with-cycle-gc} switch to \file{configure} has been removed.
+\longprogramopt{with-cycle-gc} switch to \program{configure} has been removed.
 
 \item The \cfunction{PyArg_NoArgs()} macro is now deprecated, and code
 that uses it should be changed.  For Python 2.2 and later, the method
@@ -1376,14 +1377,14 @@ variable name in your code, a different name must be chosen.
 \exception{SyntaxWarning} warning.
 
 \item Names of extension types defined by the modules included with
-Python now contain the module and a \samp{.} in front of the type
+Python now contain the module and a \character{.} in front of the type
 name.
 
 \item For strings \var{X} and \var{Y}, \code{\var{X} in \var{Y}} now works
 if \var{X} is more than one character long.
 
 \item The Distutils \function{setup()} function has gained various new
-keyword arguments such as \samp{depends}.  Old versions of the
+keyword arguments such as \var{depends}.  Old versions of the
 Distutils will abort if passed unknown keywords.  The fix is to check
 for the presence of the new \function{get_distutil_options()} function
 in your \file{setup.py} if you want to only support the new keywords