* src/lisp.h (struct Lisp_Hash_Table.count): Improve comment.

diff --git a/src/lisp.h b/src/lisp.h
index 4885e26e3f3424692bd1bc2dcfaea50ac5e8b907..13014c82dc3a96f16330d42c474060d5f282fad2 100644 (file)
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2278,7 +2278,8 @@ struct Lisp_Hash_Table
      'index' are special and are either ignored by the GC or traced in
      a special way (e.g. because of weakness).  */
 
-  /* Number of key/value entries in the table.  */
+  /* Number of key/value entries in the table.  This number is
+     negated if the table needs rehashing.  */
   ptrdiff_t count;
 
   /* Index of first free entry in free list, or -1 if none.  */