@@ -0,0 +1,320 @@
+package foam.lib.parse;%0A%0Apublic class Chars implements Parser %7B%0A  private String chars;%0A  public Chars(String s) %7B%0A    chars = s;%0A  %7D%0A%0A  public PStream parse(PStream ps, ParserContext x) %7B%0A    if ( ps.valid() && chars.indexOf(ps.head()) != -1 ) %7B%0A      return ps.tail().setValue(ps.head());%0A    %7D%0A    return null;%0A  %7D%0A%7D%0A

Add missing Chars parser.