master b4c27dd3: Lift required GNU Emacs version to 26.1

[Arash Esbati]

branch: master
commit b4c27dd36b5475e3575ea79aff12bcae4b8165a4
Author: Arash Esbati <arash@gnu.org>
Commit: Arash Esbati <arash@gnu.org>

    Lift required GNU Emacs version to 26.1
    
    * RELEASE:
    * auctex.el.in:
    * configure.ac:
    * doc/changes.texi:
    * doc/faq.texi:
    * doc/install.texi (Prerequisites):
    * doc/preview-faq.texi (Requirements):
    * tex-site.el.in:
    * tex.el: Bump minimum required Emacs version to 26.1.
---
 RELEASE              | 2 +-
 auctex.el.in         | 4 ++--
 configure.ac         | 2 +-
 doc/changes.texi     | 8 ++++++++
 doc/faq.texi         | 4 ++--
 doc/install.texi     | 4 ++--
 doc/preview-faq.texi | 4 ++--
 tex-site.el.in       | 6 +++---
 tex.el               | 4 ++--
 9 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/RELEASE b/RELEASE
index f2496ca4..3e33bb7a 100644
--- a/RELEASE
+++ b/RELEASE
@@ -102,7 +102,7 @@ respectively.
 Requirements
 ------------
 
-It is required that you use at least GNU Emacs 25.1.
+It is required that you use at least GNU Emacs 26.1.
 
 The preview-latex subsystem requires image support.
 
diff --git a/auctex.el.in b/auctex.el.in
index 61527e23..390c0e3c 100644
--- a/auctex.el.in
+++ b/auctex.el.in
@@ -1,11 +1,11 @@
 ;;; auctex.el --- Integrated environment for *TeX*  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 
 ;; URL: https://www.gnu.org/software/auctex/
 ;; Maintainer: auctex-devel@gnu.org
 ;; Notifications-To: auctex-diffs@gnu.org
-;; Package-Requires: ((emacs "25.1"))
+;; Package-Requires: ((emacs "26.1"))
 ;; Keywords: TeX LaTeX Texinfo ConTeXt docTeX preview-latex
 
 ;; This file is part of AUCTeX.
diff --git a/configure.ac b/configure.ac
index 30fdd598..1e986788 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AC_SUBST(PREVIEWVERSION)
 
 EMACS_PROG_EMACS
 
-EMACS_CHECK_VERSION(25,1)
+EMACS_CHECK_VERSION(26,1)
 
 # The Debian package uses `--disable-build-dir-test'; normal users should
 # never need to modify the default behavior.
diff --git a/doc/changes.texi b/doc/changes.texi
index 00bfe01b..467af2a5 100644
--- a/doc/changes.texi
+++ b/doc/changes.texi
@@ -8,6 +8,14 @@
 
 @end ifset
 
+@heading News since last release
+
+@itemize @bullet
+@item
+@AUCTeX{} now requires GNU Emacs 26.1 or higher.
+
+@end itemize
+
 @heading News in 13.2
 
 @itemize @bullet
diff --git a/doc/faq.texi b/doc/faq.texi
index a6122ec0..547cb01f 100644
--- a/doc/faq.texi
+++ b/doc/faq.texi
@@ -1,5 +1,5 @@
 @c This is part of the AUCTeX Manual.
-@c Copyright (C) 2004-2014, 2021, 2022 Free Software Foundation, Inc.
+@c Copyright (C) 2004-2023 Free Software Foundation, Inc.
 @c See the file auctex.texi for copying conditions.
 @ifset rawfile
 @include macros.texi
@@ -71,7 +71,7 @@ statements related to the problem.
 @item
 What versions of Emacs are supported?
 
-@AUCTeX{} was tested with @w{GNU Emacs 25.1}.  Older versions may work but
+@AUCTeX{} was tested with @w{GNU Emacs 26.1}.  Older versions may work but
 are unsupported.
 
 @item
diff --git a/doc/install.texi b/doc/install.texi
index 19034cb9..f808135b 100644
--- a/doc/install.texi
+++ b/doc/install.texi
@@ -1,6 +1,6 @@
 @c This is part of the AUCTeX Manual.
 @c Copyright (C) 1994, 1996, 2003-2007, 2012-2013,
-@c               2015, 2017, 2018, 2020, 2021  Free Software Foundation, Inc.
+@c               2015-2023  Free Software Foundation, Inc.
 @c See the file auctex.texi for copying conditions.
 @ifset rawfile
 @include macros.texi
@@ -96,7 +96,7 @@ the file @file{INSTALL.windows}.
 @end ifclear
 
 @itemize @bullet
-@item GNU Emacs 25.1 or higher
+@item GNU Emacs 26.1 or higher
 
 Using @previewlatex{} requires a version of Emacs compiled with image
 support.
diff --git a/doc/preview-faq.texi b/doc/preview-faq.texi
index bf16c7f6..3b983bf1 100644
--- a/doc/preview-faq.texi
+++ b/doc/preview-faq.texi
@@ -1,6 +1,6 @@
 @c This is part of the preview-latex manual.
 @c Copyright (C) 2002, 2003, 2004, 2005, 2006, 2009
-@c               2017, 2021 Free Software Foundation, Inc.
+@c               2017, 2021-2023 Free Software Foundation, Inc.
 @c See file preview-latex.texi for copying conditions.
 @ifset rawfile
 @include macros.texi
@@ -48,7 +48,7 @@ to @email{auctex-devel@@gnu.org}.
 @subsection Which version of Emacs is needed?
 
 @previewlatex{} nominally requires @w{GNU Emacs} with a version of at
-least 25.1.
+least 26.1.
 
 @subsection Which versions of Ghostscript and @AUCTeX{} are needed?
 
diff --git a/tex-site.el.in b/tex-site.el.in
index b9a73bd9..dd043c01 100644
--- a/tex-site.el.in
+++ b/tex-site.el.in
@@ -1,6 +1,6 @@
 ;;; tex-site.el - Site specific variables.  Don't edit.  -*- lexical-binding: 
t; -*-
 
-;; Copyright (C) 2005-2022  Free Software Foundation, Inc.
+;; Copyright (C) 2005-2023  Free Software Foundation, Inc.
 ;;
 ;; completely rewritten.
 
@@ -38,8 +38,8 @@
 
 ;;; Code:
 
-(when (< emacs-major-version 25)
-  (error "AUCTeX requires Emacs 25.1 or later"))
+(when (< emacs-major-version 26)
+  (error "AUCTeX requires Emacs 26.1 or later"))
 
 (unless (or (fboundp 'TeX-modes-set)     ;Avoid inf-looping.
             (fboundp 'TeX-tex-mode))     ;auctex-autoloads is not loaded.
diff --git a/tex.el b/tex.el
index 9328c525..6f077f37 100644
--- a/tex.el
+++ b/tex.el
@@ -28,8 +28,8 @@
 
 ;;; Code:
 
-(when (< emacs-major-version 25)
-  (error "AUCTeX requires Emacs 25.1 or later"))
+(when (< emacs-major-version 26)
+  (error "AUCTeX requires Emacs 26.1 or later"))
 
 (require 'custom)
 (require 'tex-site)