[racket] Scribble change, especially affects `scribble/sigplan'

\abovedisplayskip and \belowdisplayskip?

Robby

On Wednesday, March 30, 2011, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> I know about `\parskip' for paragraph spacing. Is there something
> similar in [La]TeX for space around a display?
>
> At Wed, 30 Mar 2011 17:40:22 -0500, Robby Findler wrote:
>> Oh. So inter-paragraph space is the same thing as the
>> space-around-a-display? (I think at the TeX level they are different,
>> but maybe that's only to make things more customizable?)
>>
>> Robby
>>
>> On Wed, Mar 30, 2011 at 5:38 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> > The `scribble/base' and `scribble/manual' styles already put space
>> > between blocks, and so no extra space is needed. The SIGPLAN style, in
>> > contrast, uses indentation instead of space between paragraphs.
>> > (Actually, the SIGPLAN style has an option for using space between
>> > paragraphs, and probably code shouldn't have extra spacing in that
>> > mode.)
>> >
>> > I forgot to check `scribble/jfp'. It looks like extra space would make
>> > sense for that one, too --- analogous to the extra space for \quote{}.
>> >
>> > At Wed, 30 Mar 2011 16:11:24 -0600, Robby Findler wrote:
>> >> This sounds great! One small question: why only in sigplan conf and
>> >> not in all --pdf generated racketblock's?
>> >>
>> >> Robby
>> >>
>> >> On Wed, Mar 30, 2011 at 3:31 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> >> > As of v5.1.0.5, Scribble renders `racketblock', `codeblock',
>> >> > `interactions', etc., in a different way than before. Indentation
>> >> > relative to surrounding text is now implemented by a nested-flow style,
>> >> > instead of adding spaces to the start of each line. (Using spaces was a
>> >> > hack from before sorting out various rendering problems with nested
>> >> > code blocks.)
>> >> >
>> >> > For most Scribble documents, you shouldn't notice the difference, but
>> >> > `scribble/sigplan' mode for Latex/PDF output is an exception. The
>> >> > Scribble style adjustments for the SIGPLAN format now introduce
>> >> > vertical space before and after a code block. The change is intended to
>> >> > make uses of `racketblock', `codeblock', etc., look better by default,
>> >> > but the change could make existing documents look worse.
>> >> >
>> >> > To disable the extra space (because you don't like it or because
>> >> > you've already added space in some other way), add these commands in
>> >> > your document's Latex configuration:
>> >> >
>> >> >  \renewcommand{\SCodePreSkip}{}
>> >> >  \renewcommand{\SCodePostSkip}{}
>> >> >
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