/usr/share/doc/php-twig/manual/_sources/functions/ is in php-twig-doc 2.4.6-1.
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/usr/share/doc/php-twig/manual/_sources/functions/attribute.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/block.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/constant.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/cycle.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/date.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/dump.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/include.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/index.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/max.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/min.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/parent.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/random.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/range.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/source.rst.txt
/usr/share/doc/php-twig/manual/_sources/functions/template_from_string.rst.txt