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Signed-off-by: Mattias Andrée <m@maandree.se>

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+NAME
+	libenv - Environment sanitation library
+
+SYNOPSIS
+	#include <libenv.h>
+
+	Link with -lenv.
+
+DESCRIPTION
+	The libenv software library is C library designed to help
+	utilities perform sanitation of environment variables.
+
+	Some utilities need to remove environment variables that are
+	not appropriate for the new context that the utility entires.
+	Likewise some utilities may meed to remove all except some
+	special environment variables. libenv provides a database of
+	environment variable variables that could be interesting and
+	provides functionality to describe the new context the is is
+	entered and filter out environment variables accordingly.
+
+SEE ALSO
+	libenv_filter_variable_list(3),
+	libenv_select_variable_list(3),
+	libenv_get_chosen_list(3),
+	libenv_get_complete_list(3)