From 4b43238c46f2181cbf4618a23e1c2b0bf34723b3 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 17 Mar 2019 09:49:21 -0700
Subject: Improve documentation of openers_stack.

Closes #563.
---
 spec.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spec.txt b/spec.txt
index f3921c6..b86079e 100644
--- a/spec.txt
+++ b/spec.txt
@@ -9481,8 +9481,8 @@ just above `stack_bottom` (or the first element if `stack_bottom`
 is NULL).
 
 We keep track of the `openers_bottom` for each delimiter
-type (`*`, `_`) and delimiter length (modulo 3).  Initialize
-this to `stack_bottom`.
+type (`*`, `_`) and each length of the closing delimiter run
+(modulo 3).  Initialize this to `stack_bottom`.
 
 Then we repeat the following until we run out of potential
 closers:
-- 
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