Fold long lines and sentences

for i in *-*.txt ; do
	mv $i $i.bak
	sed 's/^\([ ]*\)\(.*\)\.  */\1\2.\n\1/g' <$i.bak |
	sed '/^#/b;s/^\([ ]*\)\(.\{65\}[^ ]*\) /\1\2\n\1/;P;D' >$i
done