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From: Han The Thanh <thanh@informatics.muni.cz>
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Subject: footnote formatting
Date: Wed, 7 Mar 2001 15:38:56 +0100
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Hi all,

how can I set the value of \emergencystretch when formatting footnotes? 
I have the following setup:

\setupfootnotes[
    n=2,
    columndistance=1cm,
    style=\footnotefont,
    way=bysection]

\def\footnotefont{\switchtobodyfont[lexicon2b]\emergencystretch=2em}

but it doesn't seem to work; \emergencystretch is always set to 0pt.

Thanks,
Thanh