patch 9.0.0741: cannot specify an ID for each item with prop_add_list()

Problem:    Cannot specify an ID for each item with prop_add_list(). (Sergey
            Vlasov)
Solution:   Add an optional fifth number to the item. (closes #11360)
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index 34c719d..39898eb 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -367,6 +367,16 @@
         \ length: 7, start: 1}], prop_list(3))
   call assert_equal([#{id: 2, col: 1, type_bufnr: 0, end: 1, type: 'one',
         \ length: 5, start: 0}], prop_list(4))
+  call prop_remove(#{id: 2})
+  call assert_equal([], prop_list(1))
+
+  call prop_add_list(#{type: 'one', id: 3},
+        \ [[1, 1, 1, 3], [2, 5, 2, 7, 9]])
+  call assert_equal([#{id: 3, col: 1, type_bufnr: 0, end: 1, type: 'one',
+        \ length: 2, start: 1}], prop_list(1))
+  call assert_equal([#{id: 9, col: 5, type_bufnr: 0, end: 1, type: 'one',
+        \ length: 2, start: 1}], prop_list(2))
+
   call assert_fails('call prop_add_list([1, 2], [[1, 1, 3]])', 'E1206:')
   call assert_fails('call prop_add_list({}, {})', 'E1211:')
   call assert_fails('call prop_add_list({}, [[1, 1, 3]])', 'E965:')
diff --git a/src/textprop.c b/src/textprop.c
index 9256368..808d1e6 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -396,6 +396,9 @@
 	    end_lnum = list_find_nr(pos_list, 2L, &error);
 	if (!error)
 	    end_col = list_find_nr(pos_list, 3L, &error);
+	int this_id = id;
+	if (!error && pos_list->lv_len > 4)
+	    this_id = list_find_nr(pos_list, 4L, &error);
 	if (error || start_lnum <= 0 || start_col <= 0
 		  || end_lnum <= 0 || end_col <= 0)
 	{
@@ -403,8 +406,8 @@
 		emsg(_(e_invalid_argument));
 	    return;
 	}
-	if (prop_add_one(buf, type_name, id, NULL, 0, 0, start_lnum, end_lnum,
-						start_col, end_col) == FAIL)
+	if (prop_add_one(buf, type_name, this_id, NULL, 0, 0,
+			     start_lnum, end_lnum, start_col, end_col) == FAIL)
 	    return;
     }
 
diff --git a/src/version.c b/src/version.c
index 3076cb0..6570ac5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    741,
+/**/
     740,
 /**/
     739,