diff --git a/mozilla/layout/html/tests/block/bugs/43882-10.html b/mozilla/layout/html/tests/block/bugs/43882-10.html
new file mode 100644
index 00000000000..fc015f383b2
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-10.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="background: aqua; float: right; width: 50%;">
+<div style="margin: 1em 0 0 0; background: green;"></div>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-11.html b/mozilla/layout/html/tests/block/bugs/43882-11.html
new file mode 100644
index 00000000000..6fb8846e0d4
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-11.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="background: aqua; float: right; width: 50%;">
+<div style="margin: 0 0 2em 0; background: green;"></div>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-12.html b/mozilla/layout/html/tests/block/bugs/43882-12.html
new file mode 100644
index 00000000000..3f2be14011d
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-12.html
@@ -0,0 +1,10 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="border: medium solid green"><p></p></div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-6.html b/mozilla/layout/html/tests/block/bugs/43882-6.html
new file mode 100644
index 00000000000..467f8295001
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-6.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="float: right; width: 300px; background: aqua">
+<p style="margin: 1em 0 2em 0; background: green;"></p>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-7.html b/mozilla/layout/html/tests/block/bugs/43882-7.html
new file mode 100644
index 00000000000..c7153e9ec9e
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-7.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="background: aqua">
+<p style="margin: 1em 0 2em 0; background: green;"></p>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-8.html b/mozilla/layout/html/tests/block/bugs/43882-8.html
new file mode 100644
index 00000000000..9a966cd8806
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-8.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="background: aqua; float: right; width: 50%;">
+<div style="margin: 1em 0 2em 0; background: green;"></div>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/43882-9.html b/mozilla/layout/html/tests/block/bugs/43882-9.html
new file mode 100644
index 00000000000..9a966cd8806
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/43882-9.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN//">
+<HTML><HEAD>
+<TITLE>Empty P quirk not removed</TITLE>
+</HEAD>
+<BODY>
+
+<div style="background: red">Text.</div>
+<div style="background: aqua; float: right; width: 50%;">
+<div style="margin: 1em 0 2em 0; background: green;"></div>
+<div style="background: blue"><input type=button value=button></div>
+</div>
+
+</BODY>
+</HTML>
diff --git a/mozilla/layout/html/tests/block/bugs/file_list.txt b/mozilla/layout/html/tests/block/bugs/file_list.txt
index 082df3508dc..e3e6a2dcec2 100644
--- a/mozilla/layout/html/tests/block/bugs/file_list.txt
+++ b/mozilla/layout/html/tests/block/bugs/file_list.txt
@@ -101,3 +101,10 @@ file:///s:/mozilla/layout/html/tests/block/bugs/43882-2.html
 file:///s:/mozilla/layout/html/tests/block/bugs/43882-3.html
 file:///s:/mozilla/layout/html/tests/block/bugs/43882-4.html
 file:///s:/mozilla/layout/html/tests/block/bugs/43882-5.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-6.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-7.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-8.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-9.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-10.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-11.html
+file:///s:/mozilla/layout/html/tests/block/bugs/43882-12.html
