static tok_p_new(L<S> tok) {
  bigbigloop: do {
    bool changes = false;
    bigloop: for (int i : jfindAll(tok, "p-")) {
      int j = i+4;
      new L<S> clauses;
      while (isIdentifier(get(tok, j))) {
        clauses.add(get(tok, j));
        S t = get(tok, j+2);
        if (eq(t, "-")) { j += 4; continue; }
        if (eq(t, "{")) { j += 2; break; }
        continue bigloop; // not a match
      }
      
      // i points to "p", j points to "{"
      
      clearTokens(tok, i+1, j-1); // drop clauses
      
      for (S c : clauses) {
        if (eqOneOf(c, "autorestart", "autoupdate"))
          tokAppend(tok, j, " autoUpdate();");
        if (eqOneOf(c, "noconsole"))
    jreplace(tok, "p-noconsole-autoupdate {", "p-noconsole { autoUpdate();");
    jreplace(tok, "p-pretty {", "p-noconsole {");
    replaceKeywordBlock(tok, "p-awt-noconsole", "p-awt {", ";\nhideConsole(); }");
    replaceKeywordBlock(tok, "p-substance-noconsole", "p-substance {", ";\nhideConsole(); }");
    replaceKeywordBlock(tok, "p-nimbus-noconsole", "p-nimbus {", ";\nhideConsole(); }");
    replaceKeywordBlock(tok, "p-subst-noconsole", "p-subst {", ";\nhideConsole(); }");
    replaceKeywordBlock(tok, "p-noconsole", "p-subst {", ";\nhideConsole(); }");
    replaceKeywordBlock(tok, "p-subst", "p-substance-thread {", "}");
    replaceKeywordBlock(tok, "p-substance-thread", "p { substance();", "}");
    replaceKeywordBlock(tok, "p-magellan-thread", "p { magellan();", "}");
    replaceKeywordBlock(tok, "p-substance", "p-awt { substance();", "}");
    replaceKeywordBlock(tok, "p-nimbus", "p-awt { nimbus();", "}");
    replaceKeywordBlock(tok, "p-center", "p { centerConsole(); ", "}");
    jreplace(tok, "p-type {", "p-typewriter {");
    jreplace(tok, "p-tt {", "p-typewriter {");
    replaceKeywordBlock(tok, "p-awt", "p { swing {", "}}");
    replaceKeywordBlock(tok, "p-typewriter", "p { typeWriterConsole();", "}");
    replaceKeywordBlock(tok, "p-lowprio", "p { lowPriorityThread(r " + "{", "}); }");
      changes = true; reTok(tok, i, j+1); continue bigbigloop;
    }
  } while (changes);
  
  tok_p_old(tok);
}

Began life as a copy of #1014244