<dt><b>N</b> [<em>address1</em>[,<em>address2</em>]]<b>N</b></dt>
<dd>Append next input line to contents of pattern space; the new line is
-separated from the previous contents of the pattern space by a newline.
+separated from the previous contents of the pattern space by a newline.
(This command is designed to allow pattern matches across two
lines. Using \n to match the embedded newline, you can match
patterns across multiple lines.)</p></dd>
<dd>Replace all instances of /<em>pattern</em>/ on each
addressed line, not just the first instance.</p></dd>
+ <dt><b>I</b></dt>
+ <dd>Matching is case-insensitive.<p></p></dd>
+
<dt><b>p</b></dt>
<dd>Print the line if a successful substitution is done. If several
successful substitutions are done, multiple copies of the line will be