Hi Hans,
Am 21.11.2007 um 14:02 schrieb Hans Hagen:
> Steffen Wolfrum wrote:
>> BTW: are the benefit's of David's work also available for ConTeXters?
>
> i've never looked into it, but because latex and context are set up
> completely different it probably would mean more refactoring than i'm
> willing to do
>
> concerning multiple footnotes, it's been there for a while
What Brian, starting that thread on XeTeX-list, ment was this:
Am 20.11.2007 um 15:32 schrieb Brian Anderson:
> What I'm trying to do is change the footnotes at the bottom of the
> page from this:
>
> 1) first note
> 2) second note
> ..
> 6) sixth note
>
> to this:
>
> 1) first note 2) second note
> 3) this is a long footnote, so it is on its own line
> 4) short note 5) short note 6) short note
I fear this is not (yet) possible in ConTeXt, right?
Anyway, in the meanwhile there was a verbose answer to this:
> Was" <[EMAIL PROTECTED]>
> Datum: 21. November 2007 14:27:11 MEZ
> Betreff: [XeTeX] Redefining the footnotes in XeTeX
>
> Hi
>
> If you are using plain XeTeX rather than the LaTeX variety, you
> might be
> able to tweak the example on p. 398 of _The TeXbook_, perhaps by
> measuring
> each footnote at the start of your definition of \fn and then if it
> is over
> a certain percentage of \hsize putting it all in an \hbox of length
> \hsize:
>
> \hbox to \hsize{Text of longish note.\hfill}
>
> That should, I think, force the relevant notes to occupy a line by
> themselves. But it might cause formatting difficulties with a
> preceding
> line of short footnotes, unless you could add \hss at the end of each
> footnote. Anyway, perhaps worth fiddling with. (If you have any
> notes that
> occupy more than one line, you would need to set the calculation
> _not_ to do
> the above trick since it would overfill the \hbox and in any case
> you would
> presumably want any following short note to appear in the breakline
> of the
> long note.)
>
> My own ploy for doubling up footnotes (currently only allowing
> automatic
> setting of a short footnote full right in the breakline of a previous
> footnote, though it could in principle be made into a more
> sophisticated
> routine, I think) is to do various measurements every time a
> footnote is
> encountered to see if there is enough room (the space available
> gets put
> into a dimen \availablespace). The whole of the \fn command is
> given as an
>
> \if \else \fi
>
> sequence (since if the footnote is over a certain length it can't
> be doubled
> up with the previous note anyway), and I use a double set of braces
> round
> footnotes since I might want to tweak the footnote arrangement
> manually
> (either because it has messed up or because it happens to look
> better on a
> given page - e.g. to reduce white space between text and notes - if
> a short
> note does after all go into its own line). So:
>
> {\fn{This is the footnote.}}
>
> If I want to make sure that that footnote is _not_ doubled up (even
> if there
> is room to do so), I can give
>
> {\availablespace 0pt \fn{This is the footnote.}}
>
> And if I want to ensure that it _is_ doubled up even if (for some
> reason) it
> isn't doing it, I can give
>
> {\availablespace \hsize \fn{This is the footnote.}}
>
> Now, to calculate the \availablespace on completion of each note
> (so that
> the next note knows what it is), my version of \fn puts the note
> into a
> temporary \hbox and then sets up a \vbox which contains the
> \unhboxed text
> of the note surrounded by $$ $$. That lets me get at
> \predisplaysize and
> I can use that to make the calculation, which it does by setting
> \availablespace globally so that the measurement migrates out of
> the group
> in which all this is going on, and can be used by the next note.
>
> I would post the entire macro but it's embarrassingly ropey,
> written many
> years ago when I first made acquaintance with TeX and was asked by the
> publisher to double up the footnotes. It has unresolved glitches
> (hence the
> double braces {\fn{}} which allow local control immediately before the
> \fn) - in particular, it doesn't interact well with the page-breaking
> mechanism so that it will place a short footnote full right even on
> a new
> page (I override this by giving \availablespace 0pt). I've never
> got round
> to attempting an output routine that would ensure this doesn't happen,
> though it should certainly be possible.
>
> Anyway, perhaps a few ideas for you to ponder over your evening
> cocoa...
>
> Best
>
>
> John
Hans, can you build a routine upon this for ConTeXt?
(Just in case it's not too weird!!!)
Steffen
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