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+[[!comment format=mdwn
+ username="smcv"
+ ip="81.100.115.242"
+ subject="comment 5"
+ date="2014-09-17T11:35:07Z"
+ content="""
+`<div>` is not specifically preferred, any block-level element will do
+(e.g. `<p>`); but `<div>` is something you can wrap around any block,
+so it's good for a generic `\[[!template]]`.
+
+The difference between the use of a `dir` attribute and the use
+of a `class` attribute is that `dir` has a spec-defined semantic
+meaning in HTML4 and HTML5: search engines can look at
+`<div dir=\"rtl\">` and know that it is definitely right-to-left.
+
+`<div class=\"rtl\">` *might* mean right-to-left, but it could equally
+well mean (for instance) documentation about a run-time library,
+or something; classes have no built-in semantic meaning that generic
+user-agents like browsers and search engines can rely on.
+"""]]