version 4/080915 by Mikael Segercrantz
Chapter 2b - Special rules
Section 2b1 - To modify the way exit of place according to tbl
To modify the (way - a direction) exit of (place - a room) according to (tbl - a table-name):
let count be the number of filled rows in tbl;
let current be 0;
let chosen be a random number between 1 and count;
repeat through tbl:
if there is a loci entry:
increase current by 1;
if current is chosen, change the way exit of place to the loci entry.
Multiple Exits ends here.