segment )
  &#47;&#47; path-empty    = 0&lt;pchar&gt;
  &#47;&#47;
  &#47;&#47; segment       = *pchar
  &#47;&#47; segment-nz    = 1*pchar
  &#47;&#47; segment-nz-nc = 1*( unreserved &#47; pct-encoded &#47; sub-delims &#47; &quot;@&quot; )
  &#47;&#47;               ; non-zero-length segment without any colon &quot;:&quot;
  &#47;&#47;
  &#47;&#47; pchar         = unreserved &#47; pct-encoded &#47; sub-delims &#47; &quot;:&quot; &#47; &quot;@&quot;
  &#47;&#47;
  &#47;&#47; query         = *( pchar &#47; &