can you help me Identify the difference between Document 1 and Document 2 and say what the implications of this difference are for the code which you write.
DOCUMENT 1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Creating HTML using Notepad</title>
</head>
<body>
<p>Hello <b>world!</b><p>
<p>This task is part of the tutorial for week 4 of MU130<p>
</body>
</html>
DOCUMENT 2
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Creating HTML using Notepad</title>
</head>
<body>
<p>Hello <b>world!</b><p>
<p>This task is part of the tutorial for week 4 of MU130<p>
</body>
</html>
DOCUMENT 1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Creating HTML using Notepad</title>
</head>
<body>
<p>Hello <b>world!</b><p>
<p>This task is part of the tutorial for week 4 of MU130<p>
</body>
</html>
DOCUMENT 2
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Creating HTML using Notepad</title>
</head>
<body>
<p>Hello <b>world!</b><p>
<p>This task is part of the tutorial for week 4 of MU130<p>
</body>
</html>