jeffbski/event-stream — comment on commit c8bbd1a78a7c77bab7e974ff26d4af2fc506b449
File:  line 0
By dominictarr:

this isn't actually correct. undefined does not mean 'pause'. `
write (data) === false` means pause.

https://github.com/joyent/node/blob/master/lib/stream.js#L38