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<h1 class="top">Syntax tree quotations in user syntax</h1>

<p>The quotation kit "<tt>q_ast.cmo</tt>" allows to use syntax tree
  quotations in user syntax. It fully works only in "strict" mode. In
  "transitional" mode, there is no way to use antiquotations, which
  restricts its utility.</p>

<p>If this kit is loaded, when a quotation of syntax tree is found,
  the current OCaml language parser is called. Then, the resulting
  tree is reified (except the antiquotations) to represent <em>the
