README: add vim modeline

diff --git a/README b/README
index e6b3d5ba4ddc2e7eed34f3de4297d3146a413ff1..84b7c72f3d8e9c62fbe11621da4ede6a7a711628 100644 (file)
--- a/README
+++ b/README
@@ -108,3 +108,5 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+// vim: ft=asciidoc