title: What does %prec '.' mean here in yacc?
body: <pre><code>notype_declarator:
        notype_declarator '(' parmlist_or_identifiers  %prec '.'
          { $$ = build_nt (CALL_EXPR, $1, $3, NULL_TREE); }
  </code></pre>
  
  <p>Anyone familiar with yacc rules?</p>