d some larger refactorings of the library:
      </p>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
            Direct support for character arrays was abandoned in favor of uniform
            treatment of all arrays. Instead string algorithms can use the new function
            <a class="link" href="../reference/concept_implementation/semantics/functions.html" title="Functions"><code class="computeroutput"><span class="identifier">as_literal</span></code></a><code class