Don't require facemenu; it's preloaded if applicable.
(enriched-default-right-margin, enriched-fill-after-visiting)
(enriched-text-width): Variables deleted.
(enriched-text-width): Function deleted.
(enriched-initial-annotation): Use `fill-column' rather than
enriched-text-width.
(enriched-mode): Use `add-to-list'. Turn use-hard-newlines on by
calling function, not setting variable.
(enriched-encode): New argument ORIG-BUF; evaluate
enriched-initial-annotation in that buffer.
(enriched-decode): Turn on use-hard-newlines with function. Use new
`set-hard-newline-properties' function. Set fill-column from
File-Width header; re-fill paragraphs only if there is no File-Width
header.
renamed to `hard'. Justification value `both' renamed `full'.
(enriched-mode): Don't set auto-fill-function, fill-column,
sentence-end-double-space. Do set use-hard-newlines.
(enriched-delete-indentation): Use delete-to-left-margin and
canonically-space-region.
(enriched-indent-increment): Deleted, use `standard-indent' instead.
(enriched-insert-hard-newline): Deleted, use `newline'.
(enriched-beginning-of-line): Deleted, use `move-to-left-margin'.
(enriched-squeeze-spaces): Deleted, use canonically-space-region.
(enriched-forward-paragraph, enriched-backward-paragraph)
(enriched-open-line, enriched-fill-paragraph, enriched-fill-region)
(enriched-fill-region-as-paragraph, enriched-auto-fill-function)
(enriched-justify-line): Deleted, use standard versions.
(enriched-region-pars, enriched-end-of-paragraph, enriched-unindent)
(enriched-beginning-of-paragraph, enriched-move-to-fill-column)
(enriched-line-length, enriched-indent-line, enriched-indent)
(enriched-aggressive-auto-fill-function, enriched-hard-newline)
(enriched-indent-right, enriched-unindent-right): Deleted.
(enriched-show-codes, enriched-show-margin-codes)
(enriched-show-region-as-code, enriched-nogrow-hook): Commented out.
(enriched-left-margin, enriched-change-left-margin)
(enriched-change-right-margin, enriched-set-left-margin)
(enriched-set-right-margin): Moved to indent.el as current-left-margin,
increase-left/right-margin, set-left-/right-margin.
(enriched-default-justification, enriched-justification)
(enriched-set-justification-*, enriched-fill-column): Moved to
fill.el as default-justification, current-justification,
set-justification-*, current-fill-column.
(enriched-indentation-menu-map, enriched-justification-menu-map):
Moved to facemenu.el as facemenu-indentation-menu,
facemenu-justification-menu.