[PATCH] read-lines: small refactoring and some tests

[Mario Domenech Goulart]

Hi,

Attached is a patch with [hopefully] small improvements for
`read-lines'.  The patch:

* removes a hardcoded arbitrary value for `max' which was clobbering the
  default value specified in the optional declaration when `read-lines'
  was called with #f as value for `max'

* removes an apparently spurious use of `or' around `(eq? n 0)'

* makes `read-lines' check whether `max' is a fixnum

* adds a couple of tests for `read-lines'

* document the default value of `max' in the manual

All the best.
Mario
-- 
http://parenteses.org/mario

0001-read-lines-small-refactoring-and-some-tests.patch
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