I've been working on treating FF, LS, and PS as line separators as recommended
by the Unicode spec.
I believe it's now ready for review and would appreciate any comments. In short
the commits
* make (read-line) and friends such as (in-lines) allow FF, LS and PS as
separators;
* make (string-split) and (string-trim) understand LS and PS - they already
handled FF;
* update the documentation to mention 'formfeed, 'ls and 'ps; and
* add some tests for (in-lines)
https://github.com/hopkinsr/racket/commits/read-line
Cheers
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