From 9e30ca443275356c1693ab785d700c280d5dfa8c Mon Sep 17 00:00:00 2001
From: John MacFarlane <fiddlosopher@gmail.com>
Date: Fri, 24 Oct 2014 11:32:28 -0700
Subject: Added tricky recursive case for emph/strong.

---
 spec.txt | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/spec.txt b/spec.txt
index e9de0ab..3f10459 100644
--- a/spec.txt
+++ b/spec.txt
@@ -4782,6 +4782,32 @@ The following cases illustrate rule 14:
 <p>*a<code>a*</code></p>
 .
 
+Here is a tricky case that can be a performance problem with some
+parsers:
+
+.
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+.
+<p>*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a
+*a **a *a **a *a **a *a **a</p>
+.
 
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