// if condition then code end
svoid tok_ifThenEnd(LS tok) {
  int i = -1;
  while >= 0 (i = jfind(tok, i+1, "if <id>")) {
    int iThen = indexOf(tok, i, "then");
    if (iThen < 0) continue with print("No then for if");
    int iEnd = tok_findTokenSkippingCurlyBrackets(tok, iThen, "end");
    if (iEnd < 0) continue with print("No end for if");
    tokSet(tok, iEnd, "}");
    replaceTokens_reTok(tok, iThen-1, iThen+1, ") {");
    replaceTokens_reTok(tok, i, i+2, "if (");
  }
}