[m4_define([_GCC_AUTOCONF_VERSION], [2.69])])
dnl Test for the exact version when AC_INIT is expanded.
-dnl This allows to update the tree in steps (for testing)
+dnl This allows one to update the tree in steps (for testing)
dnl by putting
dnl m4_define([_GCC_AUTOCONF_VERSION], [X.Y])
dnl in configure.ac before AC_INIT,