Based on comments from Guido, do not describe bisect() and insert() as

being "for backward compatibility."  Also revert to using bisect() in the
example, since Guido thinks that is the best recommendation for typical
usage.

Doc/lib/libbisect.tex

@@ -39,7 +39,7 @@ The following functions are provided:
 \end{funcdesc}
 
 \begin{funcdesc}{bisect}{\unspecified}
-  Alias for \function{bisect_right()} for backward compatibility.
+  Alias for \function{bisect_right()}.
 \end{funcdesc}
 
 \begin{funcdesc}{insort_left}{list, item\optional{, lo\optional{, hi}}}
@@ -57,7 +57,7 @@ The following functions are provided:
 \end{funcdesc}
 
 \begin{funcdesc}{insort}{\unspecified}
-  Alias for \function{insort_right()} for backward compatibility.
+  Alias for \function{insort_right()}.
 \end{funcdesc}
 
 
@@ -65,16 +65,16 @@ The following functions are provided:
 \nodename{bisect-example}
 
 The \function{bisect()} function is generally useful for categorizing
-numeric data.  This example uses \function{bisect_right()} to look up a
+numeric data.  This example uses \function{bisect()} to look up a
 letter grade for an exam total (say) based on a set of ordered numeric
 breakpoints: 85 and up is an `A', 75..84 is a `B', etc.
 
 \begin{verbatim}
 >>> grades = "FEDCBA"
 >>> breakpoints = [30, 44, 66, 75, 85]
->>> from bisect import bisect_right
+>>> from bisect import bisect
 >>> def grade(total):
-...           return grades[bisect_right(breakpoints, total)]
+...           return grades[bisect(breakpoints, total)]
 ...
 >>> grade(66)
 'C'