[klibertp]

   collect: [ :keyAndValue | (keyAndValue splitAt: '=') last ].

is why.

EDIT: (it's been a few months since I used it, so I) made a mistake in the syntax (declared local variable instead of a formal block argument), it's fixed now.

[tomlin]

You might as well have leaned on the keyboard, it wouldn’t look much different. This is not readable code.