
<span class="grey"><a href="./rfc1950">RFC 1950</a>       ZLIB Compressed Data Format Specification        May 1996</span>


<span class="h2"><a class="selflink" name="section-8" href="#section-8">8</a>. Appendix: Rationale</span>

   8.1. Preset dictionaries

      A preset dictionary is specially useful to compress short input
      sequences. The compressor can take advantage of the dictionary
      context to encode the input in a more compact manner. The
      decompressor can be initialized with the 