From e604875b813d3ed3c11d60d97071e53ffb80871f Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Mon, 1 Apr 2002 21:33:55 +0000
Subject: Restore a minimal definition of execution frame, since other parts of
 the manual refer to it.

XXX Not sure that it belongs in this section, or that the concept is
particularly important for writing documentation.  Perhaps references
to the frame should be removed entirely.
---
 Doc/ref/ref4.tex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index e2bfcca..7176f20 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -25,6 +25,12 @@ is a code block.  The string argument passed to the built-in function
 The expression read and evaluated by the built-in function
 \function{input()} is a code block.
 
+A code block is executed in an \dfn{execution
+frame}\indexii{execution}{frame}.  A frame contains some
+administrative information (used for debugging) and determines where
+and how execution continues after the code block's execution has
+completed.
+
 A \dfn{scope}\index{scope} defines the visibility of a name within a
 block.  If a local variable is defined in a block, it's scope includes
 that block.  If the definition occurs in a function block, the scope
-- 
cgit v0.12

