updated for version 7.3.615
Problem:    Completion for a user command does not recognize backslash before
            a space.
Solution:   Recognize escaped characters. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index 3a662a2..eecc4d8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    615,
+/**/
     614,
 /**/
     613,