[Minor tweaks. Bryan O'Sullivan **20070808061302] { hunk ./en/ch04-fp.xml 81 + Single quotes in variable names + hunk ./en/ch04-fp.xml 90 - for foo, as in our case here. + for foo, as in our code above. hunk ./en/ch04-fp.xml 92 - Sometimes we'll see continuations of this idiom, such as + Sometimes we'll see this idiom extended, such as }