* FLIM-ELS (flim-modules): Add `closure', `natset', `digraph',

* FLIM-ELS (flim-modules): Add `closure', `natset', `digraph',
`automata', `rx', `lex', `lr-driver', `ew-util', `ew-line',
`ew-quote', `ew-unit', `ew-data', `ew-parse', `ew-scan-s',
`ew-scan-m', `ew-scan-u' and `ew-dec'.

* eword-decode.el: Require 'ew-dec.
(eword-decode-header): Use `ew-decode-field'.
(eword-decode-and-unfold-structure): Ditto.
(eword-decode-structured-field-body): Ditto.
(eword-decode-unstructured-field-body): Ditto.

* automata.el, closure.el, digraph.el, ew-data.el, ew-dec.el,
ew-line.el, parser, ew-quote.el, ew-scan-m.el, ew-scan-s.el,
ew-scan-u.el, ew-unit.el, ew-util.el, lex.el, lr-driver.el,
natset.el, rx.el: New files