updated for version 7.4.312
Problem:    Cannot figure out what argument list is being used for a window.
Solution:   Add the arglistid() function. (Marcin Szamotulski)
diff --git a/src/main.c b/src/main.c
index c29d6be..9c92f7a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -322,6 +322,7 @@
     init_yank();		/* init yank buffers */
 
     alist_init(&global_alist);	/* Init the argument list to empty. */
+    global_alist.id = 0;
 
     /*
      * Set the default values for the options.