textbackground

[Alan BRASLAU <alan.braslau@cea.fr>]

Hello,

For a multilingual document, alternating one language or another, not
necessarily a bilingual, translated text, I thought about using
textbackground to set-off paragraphs. This technique could also apply
to a single language text having multiple levels of information,
perhaps statements followed by discussion, etc.

A problem appears with respect to footnotes that I do not know how to
handle. If the backgrounded text goes across pages placing footnotes,
then the footnote also gets the background. This is incorrect, perhaps
a bug.

Second problem, if a footnote of a backgrounded text gets placed on a
following page, then it may not get a background. (It is not clear to me
whether it would be correct for footnotes to get the background or
not.) Of course, a solution to this secondary problem might be
	before={\startlocalfootnotes},
	after={\placelocalfootnotes\stoplocalfootnotes},
although such a solution would postpone backgrounded footnotes to the
end of the backgrounded text.

Alan



MWE: 

\definetextbackground
    [spanish]
    [location=paragraph,
     frame=off,
     before={\language[es]},
     background=color,
     backgroundcolor=lightgray]

\starttext

\input darwin%
\startfootnote
\input dawkins
\stopfootnote

\input tufte

\startspanish
\input quevedo-es%
\startfootnote
\input cervantes-es
\stopfootnote
\stopspanish

\input zapf

\stoptext
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