Typo: "Otherwose" --> "Otherwise" (reported by Joakim Sernbrant

<joakim.sernbrant@front.se>).

Misc. small fixes to the logical markup.

Doc/ref/ref6.tex

@@ -51,23 +51,23 @@ any output.)
 \indexii{writing}{values}
 \indexii{procedure}{call}
 
-\section{Assert statements\label{assert}}\stindex{assert}
+\section{Assert statements \label{assert}}
 
-Assert statements are a convenient way to insert debugging
+Assert statements\stindex{assert} are a convenient way to insert
-assertions\indexii{debugging}{assertions} into a program:
+debugging assertions\indexii{debugging}{assertions} into a program:
 
 \begin{verbatim}
 assert_statement: "assert" expression ["," expression]
 \end{verbatim}
 
-The simple form, ``\code{assert expression}'', is equivalent to
+The simple form, \samp{assert expression}, is equivalent to
 
 \begin{verbatim}
 if __debug__:
    if not expression: raise AssertionError
 \end{verbatim}
 
-The extended form, ``\code{assert expression1, expression2}'', is
+The extended form, \samp{assert expression1, expression2}, is
 equivalent to
 
 \begin{verbatim}
@@ -76,7 +76,7 @@ if __debug__:
 \end{verbatim}
 
 These equivalences assume that \code{__debug__}\ttindex{__debug__} and
-\code{AssertionError}\exindex{AssertionError} refer to the built-in
+\exception{AssertionError}\exindex{AssertionError} refer to the built-in
 variables with those names.  In the current implementation, the
 built-in variable \code{__debug__} is 1 under normal circumstances, 0
 when optimization is requested (command line option -O).  The current
@@ -87,10 +87,10 @@ it will be displayed as part of the stack trace.
 
 
 \section{Assignment statements \label{assignment}}
-\indexii{assignment}{statement}
 
-Assignment statements are used to (re)bind names to values and to
+Assignment statements\indexii{assignment}{statement} are used to
-modify attributes or items of mutable objects:
+(re)bind names to values and to modify attributes or items of mutable
+objects:
 \indexii{binding}{name}
 \indexii{rebinding}{name}
 \obindex{mutable}
@@ -137,7 +137,7 @@ must be a sequence with the same number of items as the there are
 targets in the target list, and the items are assigned, from left to
 right, to the corresponding targets.  (This rule is relaxed as of
 Python 1.5; in earlier versions, the object had to be a tuple.  Since
-strings are sequences, an assignment like ``\code{a, b = "xy"}'' is
+strings are sequences, an assignment like \samp{a, b = "xy"} is
 now legal as long as the string has the right length.)
 
 \end{itemize}
@@ -235,9 +235,9 @@ messages.)
 
 WARNING: Although the definition of assignment implies that overlaps
 between the left-hand side and the right-hand side are `safe' (e.g.,
-``\code{a, b = b, a}'' swaps two variables), overlaps \emph{within} the
+\samp{a, b = b, a} swaps two variables), overlaps \emph{within} the
 collection of assigned-to variables are not safe!  For instance, the
-following program prints ``\code{[0, 2]}'':
+following program prints \samp{[0, 2]}:
 
 \begin{verbatim}
 x = [0, 1]
@@ -363,7 +363,7 @@ raise_stmt:     "raise" [expression ["," expression ["," expression]]]
 If no expressions are present, \keyword{raise} re-raises the last
 expression that was raised in the current scope.
 
-Otherwose, \keyword{raise} evaluates its first expression, which must yield
+Otherwise, \keyword{raise} evaluates its first expression, which must yield
 a string, class, or instance object.  If there is a second expression,
 this is evaluated, else \code{None} is substituted.  If the first
 expression is a class object, then the second expression may be an
@@ -501,8 +501,8 @@ module name: it goes through the list of identifiers, looks each one
 of them up in the module found in step (1), and binds the name in the
 local namespace to the object thus found.  If a name is not found,
 \exception{ImportError} is raised.  If the list of identifiers is replaced
-by a star (\code{*}), all names defined in the module are bound,
+by a star (\samp{*}), all names defined in the module are bound,
-except those beginning with an underscore(\code{_}).
+except those beginning with an underscore (\character{_}).
 \indexii{name}{binding}
 \exindex{ImportError}
 
@@ -510,7 +510,7 @@ Names bound by \keyword{import} statements may not occur in
 \keyword{global} statements in the same scope.
 \stindex{global}
 
-The \keyword{from} form with \code{*} may only occur in a module scope.
+The \keyword{from} form with \samp{*} may only occur in a module scope.
 \kwindex{from}
 \stindex{from}