master a4c96147d1: Make TAB work in makefile mode when transient mark mode is on

[Lars Ingebrigtsen]

branch: master
commit a4c96147d1875d359db8d7fda3489954046a5db8
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Make TAB work in makefile mode when transient mark mode is on
    
    * lisp/progmodes/make-mode.el (makefile-mode): Insert a tab
    instead of removing it (bug#37087).
---
 lisp/progmodes/make-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/make-mode.el b/lisp/progmodes/make-mode.el
index 91307f6c09..1a1dc3aee9 100644
--- a/lisp/progmodes/make-mode.el
+++ b/lisp/progmodes/make-mode.el
@@ -889,7 +889,7 @@ Makefile mode can be configured by modifying the following 
variables:
   (setq-local comment-start-skip "#+[ \t]*")
 
   ;; Make sure TAB really inserts \t.
-  (setq-local indent-line-function 'indent-to-left-margin)
+  (setq-local indent-line-function #'insert-tab)
 
   ;; Real TABs are important in makefiles
   (setq indent-tabs-mode t))