[duncanr]

Hrm... in the section "break/continue":

"The symbol 'break' is arbitrary, but is probably a nice choice for YOUR readers." (emphasis mine)

A typo, or evidence that perhaps Steve isn't writing all his own content? (Ok, I'm a pedant, but I don't care ;-)

[baha_man]

I think by 'readers' he means whoever has to look at your Elisp code.