Bug#508042: Dual bug.
It appears that this bug report actually describes two separate bugs.
# 1. The "... three blank lines between the question text and the
question itself..."
# 2. The "... the multiselect part of the question..." displayed out
of bounds.
The trigger of #1 is more than one space at the last line of the
description. It can be seen in Portuguese version of these questions,
where the translator used tabs instead of spaces.
This seems to be a bug in the debconf parsing mechanism and not the
front-end, as it's apparent also in the GUI front-end though not as
obvious.
In general debconf doesn't deal gracefully with whitespace at line's
beginning, either space or tab.
It seems unrelated to #2 which is manifested whenever the description
exceeds a certain number of lines while still below a complete page.
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