Do not set indent-line-function in text-mode

* lisp/textmodes/text-mode.el (text-mode): Do not reset
indent-line-function to its global default value of indent-relative.
* doc/lispref/modes.texi (Example Major Modes):
* etc/NEWS: Document change accordingly.

diff --git a/etc/NEWS b/etc/NEWS
index 89e07a2f4df4ffcc37e6353671f4d9b42b16740a..836dd2bb1a841608577c4e10629a208c6b193ba4 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1233,6 +1233,11 @@ near the current column in Tabulated Lists (see variables
 'tabulated-list-tty-sort-indicator-asc', and
 'tabulated-list-tty-sort-indicator-desc').
 
+** Text mode
+
++++
+*** 'text-mode-variant' is now obsolete, use 'derived-mode-p' instead.
+
 \f
 * New Modes and Packages in Emacs 27.1
 

diff --git a/lisp/textmodes/text-mode.el b/lisp/textmodes/text-mode.el
index 6114490208316cd5dedf76b6b9d5d4cfeae98bb8..e676a5dae209fb21ef1126e94ece128592548245 100644 (file)
--- a/lisp/textmodes/text-mode.el
+++ b/lisp/textmodes/text-mode.el
@@ -38,8 +38,8 @@
   :group 'text)
 
 (defvar text-mode-variant nil
-  "Non-nil if this buffer's major mode is a variant of Text mode.
-Use (derived-mode-p \\='text-mode) instead.")
+  "Non-nil if this buffer's major mode is a variant of Text mode.")
+(make-obsolete-variable 'text-mode-variant 'derived-mode-p "27.1")
 
 (defvar text-mode-syntax-table
   (let ((st (make-syntax-table)))