// keyword can comprise multiple tokens now (like "p-awt"}
static L<S> replaceKeywordBlock(L<S> tok, S keyword, S beg, S end) {
  ret replaceKeywordBlock(tok, keyword, beg, end, false);
}

static L<S> replaceKeywordBlock(L<S> tok, S keyword, S beg, S end,
  bool debug) {
  for (int n = 0; n < 1000; n++) {
    int i = jfind(tok, keyword + " {");
    if (i < 0)
      break;
    int idx = findCodeTokens(tok, i, false, "{");
    int j = findEndOfBracketPart(tok, idx);
    
    if (debug) {
      print(toUpper(keyword) + " BEFORE\n" + join(subList(tok, i, j)));
      print("  THEN " + join(subList(tok, j, j+10)));
    }
    assertEquals("}", tok.get(j-1));
    tok.set(j-1, end);
    replaceTokens(tok, i, idx+1, beg);
    reTok(tok, i, j);
    if (debug) print(toUpper(keyword) + "\n" + join(subList(tok, i, j)) + "\n");
  }
  ret tok;
}