Added simpler solution to Commit What Changed.
treeace95341a62aac8ea2ac6ed28d46df3ad6d371aa
-rw-r--r-- 856 Makefile
-rw-r--r-- 5066 basic.txt
-rw-r--r-- 1848 book.css
-rw-r--r-- 9694 branch.txt
-rw-r--r-- 5372 clone.txt
-rw-r--r-- 1353 custom-html.xsl
-rw-r--r-- 425 custom-nochunks.xsl
-rw-r--r-- 6537 drawbacks.txt
-rw-r--r-- 875 find_selflink.js
-rw-r--r-- 8233 grandmaster.txt
-rw-r--r-- 6750 intro.txt
-rwxr-xr-x 991 makeover
-rw-r--r-- 2067 preface.txt
-rw-r--r-- 4986 secrets.txt