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csto(1): add missing information to introduction

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Jeremy Baxter 2024-04-03 09:44:08 +13:00
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16
man/man1/csto.1
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@ -1,4 +1,4 @@
.Dd $Mdocdate: April 1 2024 $
.Dd $Mdocdate: April 3 2024 $
.Dt CSTO 1
.Os
.Sh NAME
@ -16,22 +16,30 @@
.Sh DESCRIPTION
.Nm
is an interpreter for the Lua programming language,
using the Callisto libraries.
which exposes the Callisto libraries to scripts.
Callisto provides Lua libraries for operating systems
following the POSIX standard.
These allow Lua programs to
These libraries allow Lua programs to
manipulate the file system,
send signals to processes,
parse command line arguments,
and use other OS functionality not available to a regular Lua interpreter.
.Nm
loads all Callisto libraries before any script is run,
allowing you to omit calls to
.Sy require
at the beginning of your script.
.Pp
For a description of these libraries and how to use them,
see
.Xr callisto 3lua .
All of these libraries are conveniently bundled directly into
.Nm
and do not depend on any external libraries or files,
unless your copy of
.Nm
was built with support for
.Lb libreadline .
.Lb readline .
.Pp
For up-to-date information concerning Callisto, visit
.Lk https://sr.ht/\[ti]jeremy/callisto/