From: Chong Yidong <cyd@stupidchicken.com>
Date: Sat, 15 Aug 2009 13:53:41 +0000 (+0000)
Subject: Add comment noting that unbound symbols appear as themselves in local_var_alist.
X-Git-Tag: emacs-pretest-23.1.90~1852
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8653cf0a6c5e731eda9821beb6862c99a423ecbc;p=emacs.git

Add comment noting that unbound symbols appear as themselves in local_var_alist.
---

diff --git a/src/buffer.h b/src/buffer.h
index 397b97579e6..7e6e8daeafd 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -601,8 +601,9 @@ struct buffer
      point into this buffer or may point nowhere.  */
   Lisp_Object mark;
 
-  /* Alist of elements (SYMBOL . VALUE-IN-THIS-BUFFER)
-     for all per-buffer variables of this buffer.  */
+  /* Alist of elements (SYMBOL . VALUE-IN-THIS-BUFFER) for all
+     per-buffer variables of this buffer.  For locally unbound
+     symbols, just the symbol appears as the element.  */
   Lisp_Object local_var_alist;
 
   /* Symbol naming major mode (eg, lisp-mode).  */