Free Hero Mesh

        if(tokenv<0 || tokenv>=cl->nimages) ParseError("Image number out of range\n");
        i=tokenv;
        nxttok();
        if(tokent!=TF_INT) ParseError("Number expected\n");
        if(tokenv<i) ParseError("Backward range in (DefaultImage) block\n");
        if(tokenv>=cl->nimages) ParseError("Image number out of range\n");
        while(i<=tokenv) cl->images[i++]|=0x8000;
        nxttok();
        if(tokent!=TF_CLOSE) ParseError("Close parenthesis expected\n");
      } else if(tokent!=TF_CLOSE) {
        ParseError("Number expected\n");
      }
    } else if(tokent==TF_CLOSE) {
      break;
    } else if(tokent==TF_INT) {
      if(tokenv<0 || tokenv>=cl->nimages) ParseError("Image number out of range\n");