From: Richard M. Stallman <rms@gnu.org>
Date: Mon, 12 Aug 2002 17:28:36 +0000 (+0000)
Subject: Comment change.
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Comment change.
---

diff --git a/src/lisp.h b/src/lisp.h
index 02ccb09a8eb..2fa51d4d12e 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -1712,6 +1712,12 @@ extern EMACS_INT max_specpdl_size;
 struct handler
   {
     /* The handler clauses and variable from the condition-case form.  */
+    /* For a handler set up in Lisp code, this is always a list.
+       For an internal handler set up by internal_condition_case*,
+       this can instead be the symbol t or `error'.
+       t: handle all conditions.
+       error: handle all conditions, and errors can run the debugger
+              or display a backtrace.  */
     Lisp_Object handler;
     Lisp_Object var;
     /* Fsignal stores here the condition-case clause that applies,