[d7f0b08] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" >
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| 4 |
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| 5 |
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| 6 | <para role="recommended">
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[00a3154] | 7 | <xref role="runtime" linkend="python2"/> is used by many scripts - most are
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| 8 | unmaintained. Many invoke <filename>/usr/bin/env python</filename>, a couple
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| 9 | invoke <filename>/usr/bin/python</filename>. It is not generally known if
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| 10 | these will work with a symlink to <command>python3</command> (as used in some
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| 11 | distros) and two from pythontex invoke <command>python2</command>.
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[f5cdf41] | 12 | <xref role="runtime" linkend="ruby"/> is used by some scripts, mostly within
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| 13 | mtx_context which is part of <application>conTeXt</application>, but also
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| 14 | for one or two others, such as match_parens, which are generally useful.
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[cb4330ab] | 15 | The perl module <ulink
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[8edc0c02] | 16 | url="https://cpan.metacpan.org/authors/id/S/SR/SREZIC/Tk-804.035.tar.gz">Tk</ulink>,
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| 17 | which needs to be run from an X11 session to run the tests and
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[320084b] | 18 | requires <xref role="runtime" linkend="tk"/>, is used by one of the scripts
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| 19 | for ptex (Japanese vertical writing), can be used by a conTeXt texfind script,
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| 20 | and is needed for texdoctk (a GUI interface for finding documentation files
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| 21 | and opening them with the appropriate viewer).
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[0858e01] | 22 | <command>ps2pdf</command>, from <xref role='runtime' linkend='gs'/>, is
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| 23 | used by some utilities and scripts.
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[d7f0b08] | 24 | </para>
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