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+.TH L3SYS-QUERY 1 "2024-03-15" "LaTeX"
+
+.SH NAME
+l3sys-query
+
+.SH SYNOPSIS
+ Usage l3sys-query <cmd> [<options>] [<args>]
+
+.SH DESCRIPTION
+
+The l3sys-query script provides a method for TeX runs to obtain system
+information via shell escape to Lua. The facilities are more limited than the
+similar Java script texosquery, but since it uses Lua, l3sys-query can be
+used 'out of the box' with any install TeX system. The script is written taking
+account of TeX Live security requirement; it is therefore suitable for use with
+restricted shell escape, the standard setting when installing a TeX system.