add -*-Makefile-*- to first line

diff --git a/m4/Makefile.am b/m4/Makefile.am
index 059fdd2..1f07ad9 100644 (file)
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -1,4 +1,4 @@
-## Process this file with automake to produce Makefile.in
+## Process this file with automake to produce Makefile.in -*-Makefile-*-
 
 # Generate this list with
 # find . -type f -name '*.m4' -printf '%f\n'|sort |fmt |tr '\012' @ \

diff --git a/tests/date/Makefile.am b/tests/date/Makefile.am
index ca1d100..1b698dc 100644 (file)
--- a/tests/date/Makefile.am
+++ b/tests/date/Makefile.am
@@ -1,4 +1,4 @@
-## Process this file with automake to produce Makefile.in.
+## Process this file with automake to produce Makefile.in -*-Makefile-*-.
 
 ##test-files-begin
 x = date

diff --git a/tests/factor/Makefile.am b/tests/factor/Makefile.am
index 55a2388..a837272 100644 (file)
--- a/tests/factor/Makefile.am
+++ b/tests/factor/Makefile.am
@@ -1,4 +1,4 @@
-## Process this file with automake to produce Makefile.in.
+## Process this file with automake to produce Makefile.in -*-Makefile-*-.
 
 ##test-files-begin
 x = factor