Merge calc news from lisp/calc/README into etc/NEWS files

* doc/misc/calc.texi (Help Commands): Update calc-view-news description.

* lisp/calc/calc-help.el (calc-view-news): Use view-emacs-news.

* lisp/calc/README: Move news entries from here...
* etc/NEWS, etc/NEWS.23: ... to here

2 files changed, 51 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 2128be01b65..4696d9aace6 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -107,6 +107,8 @@ Nil, the default value, means to always use the Gregorian calendar.
 The value (YEAR MONTH DAY) means to start using the Gregorian calendar
 on the given date.
 
+*** Support for ISO 8601 dates.
+
 ** ERC
 
 *** New option `erc-accidental-paste-threshold-seconds'.
@@ -719,6 +721,12 @@ see the `apropos' Custom group for details.
 *** Option `Buffer-menu-buffer+size-width' is now obsolete.
 Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead.
 
+** Calc
+
+*** Algebraic simplification mode is now the default.
+To restrict to the limited simplifications given by the former
+default simplification mode, use `m I'.
+
 ** Calendar
 
 *** You can customize the header text that appears above each calendar month.
@@ -1648,6 +1656,23 @@ Use the variable `bibtex-dialect' to select different BibTeX dialects.
 *** The default browser used by the package is now the "xdg-open" program,
 on platforms that support it.  This calls your desktop's preferred browser.
 
+** Calc
+
+*** Support for musical notes.
+
+*** Support for logarithmic units.
+
+*** No longer uses the tex prefix for TeX specific unit names when
+using TeX or LaTeX mode.
+
+*** New option to highlight selections using faces.
+
+*** `calc-histogram' has the option of using a vector to determine the bins.
+
+*** New "O" option prefix.
+
+*** Use the "O" prefix to "d r" (`calc-radix') to turn on twos-complement mode.
+
 ** Calendar, Diary, and Appt
 
 *** Diary entries can contain non-printing "comments".
diff --git a/etc/NEWS.23 b/etc/NEWS.23
index eaef3220d41..88371c30cef 100644
--- a/etc/NEWS.23
+++ b/etc/NEWS.23
@@ -329,6 +329,8 @@ that file exists.
 user-emacs-directory; but the old location, ~/.calc.el, is used if
 that file exists.
 
+*** New twos-complement display.
+
 *** Graphing commands (`g f' etc.) now work on MS-Windows, if you have
 the native Windows port of Gnuplot version 3.8 or later installed.
 
@@ -1372,6 +1374,30 @@ identify cited keys in BibTeX entries, used by `bibtex-find-crossref'.
 bookmark.el can read a .emacs.bmk file saved by an older Emacs, but an
 older Emacs cannot read one saved by Emacs 23.
 
+** Calc
+
+*** `j *' (cal-sel-mult-both-sides) has an option to expand the denominator.
+
+*** `calc-embedded-word-regexp' is used for finding words in
+`calc-embedded-word' in place of delimiters.
+
+*** The separate Calc version number has been removed; use the Emacs
+version for reference.
+
+*** Support for using registers.
+
+*** Support for Yacas, Maxima and Giac languages.
+
+*** Addition of a menu.
+
+*** Logistic non-linear curves have been added to curve-fitting.
+
+*** New option to plot data points and curve when curve-fitting.
+
+*** Unit conversions are now exact when possible.
+
+*** The precedence of negation has been lowered.
+
 ** Calendar and diary
 
 *** There is a new date style, `iso', essentially year/month/day.