Quote the first argument in each use of AC_DEFUN.

diff --git a/m4/c-bs-a.m4 b/m4/c-bs-a.m4
index d9e6e11e808a8c20a97ac3133c09be87e2275fcb..6e0863e4e0a98cd2e10ffa621126d43cd4d0e038 100644 (file)
--- a/m4/c-bs-a.m4
+++ b/m4/c-bs-a.m4
@@ -1,8 +1,8 @@
-#serial 3
+#serial 4
 
 dnl From Paul Eggert.
 
-AC_DEFUN(AC_C_BACKSLASH_A,
+AC_DEFUN([AC_C_BACKSLASH_A],
 [
   AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
    [AC_TRY_COMPILE([],