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6 bytes removed ,  02:01, 17 August 2014
Change "map operator" to "path operator" in one spot, plus fix some typos
</pre>
A map operator is defined to be part of a path expression, which may now be mixed of mix path and map operators. In contrast to the map path operator, the results of the map operator will not be made duplicate-free and returned in document order.
==Group By==
<challenge>4731</challenge>
<na>12677</na>
<preferedpreferred>314</preferedpreferred>
<standard>7778</standard>
</pre>
==String Concatenations==
Two vertical bars <code>||</code> (also names named ''pipe characters'') can be used to concatenate strings. This operator is a shortcut for the {{Code|fn:concat()}} function.
<pre class="brush:xquery">
==Context Item==
The context item can now be specified in the prolog of an XQuery expressionsexpression:
'''Example:'''
administrator, editor
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