Document some Emacs 23.3 changes in manuals.

* doc/emacs/macos.texi (Mac / GNUstep Basics): Document
ns-right-alternate-modifier.

* doc/lispref/numbers.texi (Float Basics): Document float-e and float-pi.

* doc/lispref/symbols.texi (Creating Symbols): Using unintern without an
obarray arg is now obsolete.

* doc/lispref/text.texi (Kill Functions, Kill Functions)
(Low-Level Kill Ring, Low-Level Kill Ring): Remove obsolete
YANK-HANDLER args.

* doc/lispref/variables.texi (Defining Variables): Change "pi" example to
"float-pi".

5 files changed, 37 insertions, 30 deletions

diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index 79d6f71c1b4..2ea15fe3ca8 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,17 @@
+2010-11-20  Chong Yidong  <cyd@stupidchicken.com>
+
+	* text.texi (Kill Functions, Kill Functions)
+	(Low-Level Kill Ring, Low-Level Kill Ring): Remove obsolete
+	YANK-HANDLER args.
+
+	* symbols.texi (Creating Symbols): Using unintern without an
+	obarray arg is now obsolete.
+
+	* numbers.texi (Float Basics): Document float-e and float-pi.
+
+	* variables.texi (Defining Variables): Change "pi" example to
+	"float-pi".
+
 2010-11-12  Eli Zaretskii  <eliz@gnu.org>
 
 	* customize.texi (Composite Types): Lower-case index entry.
diff --git a/doc/lispref/numbers.texi b/doc/lispref/numbers.texi
index 62b4796350e..e83da348e05 100644
--- a/doc/lispref/numbers.texi
+++ b/doc/lispref/numbers.texi
@@ -224,6 +224,14 @@ down to an integer.
 @end example
 @end defun
 
+@defvar float-e
+The mathematical constant @math{e} (2.71828@dots{}).
+@end defvar
+
+@defvar float-pi
+The mathematical constant @math{pi} (3.14159@dots{}).
+@end defvar
+
 @node Predicates on Numbers
 @section Type Predicates for Numbers
 @cindex predicates for numbers
diff --git a/doc/lispref/symbols.texi b/doc/lispref/symbols.texi
index 5bb44ff9675..ccf90e33cd0 100644
--- a/doc/lispref/symbols.texi
+++ b/doc/lispref/symbols.texi
@@ -383,7 +383,7 @@ See @code{documentation} in @ref{Accessing Documentation}, for another
 example using @code{mapatoms}.
 @end defun
 
-@defun unintern symbol &optional obarray
+@defun unintern symbol obarray
 This function deletes @var{symbol} from the obarray @var{obarray}.  If
 @code{symbol} is not actually in the obarray, @code{unintern} does
 nothing.  If @var{obarray} is @code{nil}, the current obarray is used.
diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index 2510607475b..025bf1b6f85 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -865,7 +865,7 @@ adds it to the most recent element.  It determines automatically (using
 @code{last-command}) whether the previous command was a kill command,
 and if so appends the killed text to the most recent entry.
 
-@deffn Command kill-region start end &optional yank-handler
+@deffn Command kill-region start end
 This function kills the text in the region defined by @var{start} and
 @var{end}.  The text is deleted but saved in the kill ring, along with
 its text properties.  The value is always @code{nil}.
@@ -873,17 +873,10 @@ its text properties.  The value is always @code{nil}.
 In an interactive call, @var{start} and @var{end} are point and
 the mark.
 
-@c Emacs 19 feature
 If the buffer or text is read-only, @code{kill-region} modifies the kill
 ring just the same, then signals an error without modifying the buffer.
 This is convenient because it lets the user use a series of kill
 commands to copy text from a read-only buffer into the kill ring.
-
-If @var{yank-handler} is non-@code{nil}, this puts that value onto
-the string of killed text, as a @code{yank-handler} text property.
-@xref{Yanking}.  Note that if @var{yank-handler} is @code{nil}, any
-@code{yank-handler} properties present on the killed text are copied
-onto the kill ring, like other text properties.
 @end deffn
 
 @defopt kill-read-only-ok
@@ -1068,7 +1061,7 @@ it returns the entry pointed at by the yanking pointer and does not
 move the yanking pointer.
 @end defun
 
-@defun kill-new string &optional replace yank-handler
+@defun kill-new string &optional replace
 This function pushes the text @var{string} onto the kill ring and
 makes the yanking pointer point to it.  It discards the oldest entry
 if appropriate.  It also invokes the value of
@@ -1077,25 +1070,15 @@ if appropriate.  It also invokes the value of
 If @var{replace} is non-@code{nil}, then @code{kill-new} replaces the
 first element of the kill ring with @var{string}, rather than pushing
 @var{string} onto the kill ring.
-
-If @var{yank-handler} is non-@code{nil}, this puts that value onto
-the string of killed text, as a @code{yank-handler} property.
-@xref{Yanking}.  Note that if @var{yank-handler} is @code{nil}, then
-@code{kill-new} copies any @code{yank-handler} properties present on
-@var{string} onto the kill ring, as it does with other text properties.
 @end defun
 
-@defun kill-append string before-p &optional yank-handler
+@defun kill-append string before-p
 This function appends the text @var{string} to the first entry in the
 kill ring and makes the yanking pointer point to the combined entry.
 Normally @var{string} goes at the end of the entry, but if
 @var{before-p} is non-@code{nil}, it goes at the beginning.  This
 function also invokes the value of @code{interprogram-cut-function}
-(see below).  This handles @var{yank-handler} just like
-@code{kill-new}, except that if @var{yank-handler} is different from
-the @code{yank-handler} property of the first entry of the kill ring,
-@code{kill-append} pushes the concatenated string onto the kill ring,
-instead of replacing the original first entry with it.
+(see below).
 @end defun
 
 @defvar interprogram-paste-function
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi
index a3a550868f5..20fe4dbc9fa 100644
--- a/doc/lispref/variables.texi
+++ b/doc/lispref/variables.texi
@@ -544,21 +544,23 @@ not the buffer-local value.  (But you should not be making
 buffer-local bindings for a symbol that is defined with
 @code{defconst}.)
 
-Here, @code{pi} is a constant that presumably ought not to be changed
-by anyone (attempts by the Indiana State Legislature notwithstanding).
-As the second form illustrates, however, this is only advisory.
+An example of the use of @code{defconst} is Emacs' definition of
+@code{float-pi}---the mathematical constant @math{pi}, which ought not
+to be changed by anyone (attempts by the Indiana State Legislature
+notwithstanding).  As the second form illustrates, however,
+@code{defconst} is only advisory.
 
 @example
 @group
-(defconst pi 3.1415 "Pi to five places.")
-     @result{} pi
+(defconst float-pi 3.141592653589793 "The value of Pi.")
+     @result{} float-pi
 @end group
 @group
-(setq pi 3)
-     @result{} pi
+(setq float-pi 3)
+     @result{} float-pi
 @end group
 @group
-pi
+float-pi
      @result{} 3
 @end group
 @end example