diff --git a/src/manipulation/wrapMap.js b/src/manipulation/wrapMap.js
index a7b913c90..fdb430a03 100644
--- a/src/manipulation/wrapMap.js
+++ b/src/manipulation/wrapMap.js
@@ -6,20 +6,13 @@ var wrapMap = {
// Support: IE9
option: [ 1, "" ],
+ // XHTML parsers do not magically insert elements in the
+ // same way that tag soup parsers do. So we cannot shorten
+ // this by omitting
or other required elements.
thead: [ 1, "
", "
" ],
-
- // Some of the following wrappers are not fully defined, because
- // their parent elements (except for "table" element) could be omitted
- // since browser parsers are smart enough to auto-insert them
-
- // Auto-insert "colgroup" element
- col: [ 2, "