-There is @command{install} make-target respecting @env{DESTDIR}. It will
-install binaries and info-documentation:
+@pindex info
+After that you should get various @command{bin/nncp-*} binaries and
+@command{bin/hjson-cli} command (only for your convenience, not
+necessary installation). For example, documentation for
+@command{nncp-bundle} command can be get with
+@command{info doc/nncp.info -n nncp-bundle}.
+
+@vindex PREFIX
+@vindex DESTDIR
+@vindex GO
+@vindex MAKEINFO
+@vindex PLANTUML
+@vindex PREFIX
+@vindex SENDMAIL
+@vindex CFGPATH
+@vindex SPOOLPATH
+@vindex LOGPATH
+@vindex BINDIR
+@vindex INFODIR
+@vindex DOCDIR
+@file{config} file contains some environment variables that are
+respected during installation:
+@env{$PREFIX},
+@env{$DESTDIR},
+@env{$GO},
+@env{$MAKEINFO},
+@env{$PLANTUML},
+@env{$PREFIX},
+@env{$SENDMAIL},
+@env{$CFGPATH},
+@env{$SPOOLPATH},
+@env{$LOGPATH},
+@env{$BINDIR},
+@env{$INFODIR},
+@env{$DOCDIR}.
+
+There is @command{install} script for binaries and info-documentation
+installation: