patch 7.4.1119
Problem: argidx() has a wrong value after ":%argdelete". (Yegappan
Lakshmanan)
Solution: Correct the value of w_arg_idx. Add a test.
diff --git a/src/testdir/test_arglist.vim b/src/testdir/test_arglist.vim
new file mode 100644
index 0000000..3f72f0f
--- /dev/null
+++ b/src/testdir/test_arglist.vim
@@ -0,0 +1,22 @@
+" Test argument list commands
+
+func Test_argidx()
+ args a b c
+ last
+ call assert_equal(2, argidx())
+ %argdelete
+ call assert_equal(0, argidx())
+
+ args a b c
+ call assert_equal(0, argidx())
+ next
+ call assert_equal(1, argidx())
+ next
+ call assert_equal(2, argidx())
+ 1argdelete
+ call assert_equal(1, argidx())
+ 1argdelete
+ call assert_equal(0, argidx())
+ 1argdelete
+ call assert_equal(0, argidx())
+endfunc