@c -*-texinfo-*-
@c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2013 Free Software
+@c Copyright (C) 1990-1995, 1998-1999, 2001-2014 Free Software
@c Foundation, Inc.
@c See the file elisp.texi for copying conditions.
@node Lists
numerically equal to @var{from}, @code{number-sequence} signals an
error, since those arguments specify an infinite sequence.
-All arguments can be integers or floating point numbers. However,
-floating point arguments can be tricky, because floating point
+All arguments are numbers.
+Floating-point arguments can be tricky, because floating-point
arithmetic is inexact. For instance, depending on the machine, it may
quite well happen that @code{(number-sequence 0.4 0.6 0.2)} returns
the one element list @code{(0.4)}, whereas
@node Rearrangement
@subsection Functions that Rearrange Lists
@cindex rearrangement of lists
+@cindex reordering, of elements in lists
@cindex modification of lists
Here are some functions that rearrange lists ``destructively'' by
@defun memql object list
The function @code{memql} tests to see whether @var{object} is a member
of @var{list}, comparing members with @var{object} using @code{eql},
-so floating point elements are compared by value.
+so floating-point elements are compared by value.
If @var{object} is a member, @code{memql} returns a list starting with
its first occurrence in @var{list}. Otherwise, it returns @code{nil}.