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NAME</h2>
<p>lower(3f) - [M_strings:CASE] changes a string to lowercase over specified range (LICENSE:PD)</p>
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SYNOPSIS</h2>
<pre class="fragment">elemental pure function lower(str,begin,end) result (string)

 character(*), intent(in) :: str
 integer,optional         :: begin, end
 character(len(str))      :: string  ! output string
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DESCRIPTION</h2>
<p>lo