From a73b9cd79a6527da319b1c25ae70946c3c03f095 Mon Sep 17 00:00:00 2001
From: James Clark <jjc@jclark.com>
Date: Mon, 16 Mar 2020 09:49:02 +0700
Subject: [PATCH] Revert "Fix bug with namespace undeclaration"

This reverts commit 4def0fc9247b8ea773815fb5593e4a876d6331ba.
---
 lang/spec.html | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lang/spec.html b/lang/spec.html
index 35d81189..ee149886 100644
--- a/lang/spec.html
+++ b/lang/spec.html
@@ -1051,6 +1051,9 @@ <h5>XML namespaces</h5>
 that declares a prefix with that namespace and it is not redeclared by the
 [namespace attributes], then that prefix is used. Otherwise generate a prefix
 and add an AII to the [namespace attributes] to declare it.</li>
+<li>If the EII has no [namespace name] property, but a default namespace
+declaration is in scope, then an <code>xmlns=""</code> AII is added to the
+[namespace attributes] property to undeclare the default namespace.</li>
 <li>If the EII has a [namespace name] property N, then we need
 to ensure that there is an applicable namespace declaration:
 <ol>
@@ -1063,8 +1066,8 @@ <h5>XML namespaces</h5>
 already declared as N; if there is one, set the [prefix] property of the EII to
 P;</li>
 <li>otherwise, if the [namespace attributes] property does not contain a default
-namespace declaration or undeclaration, generate a default namespace declaration
-for N and add it to the [namespace attributes] property;</li>
+namespace declaration, generate a default namespace declaration for N and add it
+to the [namespace attributes] property;</li>
 <li>otherwise, generate a new prefix P, set the [prefix] property of the EII to
 P, and add an AII to the [namespace attributes] to declare it.</li>
 </ol>