This is the "diff" file for generate.c.  Not too complex, and easily modified
for 2.8.x


3113c3113
<     if (dun_level < room[typ].level) return (FALSE);
---
>     /* if (dun_level < room[typ].level) return (FALSE); */
3270c3270
<         if (rand_int(DUN_UNUSUAL) < dun_level)
---
>         if (2==2)
3273c3273
<             k = rand_int(100);
---
>             k = 1;
3276c3276
<             if (rand_int(DUN_UNUSUAL) < dun_level)
---
>             if (2==2)