cmd/godoc: fix multi-paragraph marker rendering

Fixes golang/go#15231

Change-Id: Ia0e00f1eca41dfdd85158feb3fa300df40cfa185
Reviewed-on: https://go-review.googlesource.com/21972
Reviewed-by: Andrew Gerrand <adg@golang.org>

godoc/static/package.html

@@ -219,7 +219,7 @@
 			<h2 id="pkg-note-{{$marker}}">{{noteTitle $marker | html}}s</h2>
 			<ul style="list-style: none; padding: 0;">
 			{{range .}}
-			<li><a href="{{posLink_url $ .}}">&#x261e;</a> {{html .Body}}</li>
+			<li><a href="{{posLink_url $ .}}" style="float: left;">&#x261e;</a> {{comment_html .Body}}</li>
 			{{end}}
 			</ul>
 		{{end}}

godoc/static/static.go

@@ -1802,7 +1802,7 @@ function cgAddChild(tree, ul, cgn) {
 			<h2 id="pkg-note-{{$marker}}">{{noteTitle $marker | html}}s</h2>
 			<ul style="list-style: none; padding: 0;">
 			{{range .}}
-			<li><a href="{{posLink_url $ .}}">&#x261e;</a> {{html .Body}}</li>
+			<li><a href="{{posLink_url $ .}}" style="float: left;">&#x261e;</a> {{comment_html .Body}}</li>
 			{{end}}
 			</ul>
 		{{end}}