diff --git a/Makefile.in b/Makefile.in
index c8418047577..79a1d4204ca 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -380,37 +380,37 @@ bootstrap-all:
 actual-all: ${SUBDIR} info $(gsettings_SCHEMAS:.xml=.valid) src-depending-on-lisp
 
 # ADVICE-ON-FAILURE-BEGIN:all
-#   You might try to:
-#   - run "make bootstrap", which might fix the problem
-#   - run "make V=1", which displays the full commands invoked by make,
-#   ​  to further investigate the problem
+# You might try to:
+# - run "make bootstrap", which might fix the problem
+# - run "make V=1", which displays the full commands invoked by make,
+#   to further investigate the problem
 # ADVICE-ON-FAILURE-END:all
 
 # ADVICE-ON-FAILURE-BEGIN:bootstrap
-#   You might try to:
-#   - run "make extraclean" and run "make" again (or, equivalently, run
-#   ​  "make bootstrap configure=default"), to rebuild Emacs with the
-#   ​  default configuration options, which might fix the problem
-#   - run "git clean -fdx" and run "make bootstrap" again, which might
-#   ​  fix the problem if "make bootstrap configure=default" did not
-#   ​  !BEWARE! "git clean -fdx" deletes all files that are not under
-#   ​  !BEWARE! version control, which means that all changes to such
-#   ​  !BEWARE! files will be lost and cannot be restored later
-#   - run "make V=1", which displays the full commands invoked by make,
-#   ​  to further investigate the problem
-#   - report the problem and ask for help by sending an email to
-#   ​  bug-gnu-emacs@gnu.org, mentioning at least the build error
-#   ​  message, the platform, and the repository revision displayed by
-#   ​  "git rev-parse HEAD"
+# You might try to:
+# - run "make extraclean" and run "make" again (or, equivalently, run
+#   "make bootstrap configure=default"), to rebuild Emacs with the
+#   default configuration options, which might fix the problem
+# - run "git clean -fdx" and run "make bootstrap" again, which might
+#   fix the problem if "make bootstrap configure=default" did not
+#   !BEWARE! "git clean -fdx" deletes all files that are not under
+#   !BEWARE! version control, which means that all changes to such
+#   !BEWARE! files will be lost and cannot be restored later
+# - run "make V=1", which displays the full commands invoked by make,
+#   to further investigate the problem
+# - report the problem and ask for help by sending an email to
+#   bug-gnu-emacs@gnu.org, mentioning at least the build error
+#   message, the platform, and the repository revision displayed by
+#   "git rev-parse HEAD"
 # ADVICE-ON-FAILURE-END:bootstrap
 
 advice-on-failure:
-	@echo
-	@echo "  \"make ${make-target}\" failed with exit status ${exit-status}."
+	@echo >&2 '***'
+	@echo >&2 '*** '"\"make ${make-target}\" failed with exit status ${exit-status}."
 	@cat Makefile | \
 	  sed -n '/^# ADVICE-ON-FAILURE-BEGIN:${make-target}/,$${p;/^# ADVICE-ON-FAILURE-END:${make-target}/q};' | \
-	  sed 's/^# //' | grep -v '^ADVICE-ON-FAILURE-'
-	@echo
+	  sed 's/^# /*** /' | grep -v '^*** ADVICE-ON-FAILURE-' >&2
+	@echo >&2 '***'
 	@exit ${exit-status}
 
 sanity-check:
@@ -418,12 +418,12 @@ sanity-check:
 	  '(progn (defun f (n) (if (= 0 n) 1 (* n (f (- n 1))))) (princ (f 10)))' \
 	  2> /dev/null); \
 	[ "X$$v" = "X3628800" ] && exit 0; \
-	echo; \
-	echo "  \"make ${make-target}\" succeeded, but Emacs is not functional."; \
+	echo >&2 '***'; \
+	echo >&2 '*** '"\"make ${make-target}\" succeeded, but Emacs is not functional."; \
 	cat Makefile | \
 	  sed -n '/^# ADVICE-ON-FAILURE-BEGIN:${make-target}/,$${p;/^# ADVICE-ON-FAILURE-END:${make-target}/q};' | \
-	  sed 's/^# //' | grep -v '^ADVICE-ON-FAILURE-'; \
-	echo; \
+	  sed 's/^# /*** /' | grep -v '^*** ADVICE-ON-FAILURE-' >&2; \
+	echo >&2 '***'; \
 	exit 1
 
 .PHONY: all ${SUBDIR} blessmail epaths-force epaths-force-w32 epaths-force-ns-self-contained etc-emacsver