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emacs: Better handling of inherited keymaps for `nomuch-help'.

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`notmuch-hello-mode' inherits the keymap for widgets, which confused
`notmuch-substitute-command-keys'. Fix the confusion.

Simplify `notmuch-substitute-command-keys' a little to make it easier
to read.
This commit is contained in:
David Edmondson 2011-12-30 11:37:17 +00:00 committed by David Bremner
parent 980daa26b5
commit a74ec0edd6
1 changed files with 12 additions and 5 deletions
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17
emacs/notmuch.el
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@ -164,16 +164,23 @@ For a mouse binding, return nil."
"\t"
(notmuch-documentation-first-line action))))))
(defalias 'notmuch-substitute-one-command-key
(apply-partially 'notmuch-substitute-one-command-key-with-prefix nil))
(defun notmuch-substitute-command-keys-one (key)
;; A `keymap' key indicates inheritance from a parent keymap - the
;; inherited mappings follow, so there is nothing to print for
;; `keymap' itself.
(when (not (eq key 'keymap))
(notmuch-substitute-one-command-key-with-prefix nil key)))
(defun notmuch-substitute-command-keys (doc)
"Like `substitute-command-keys' but with documentation, not function names."
(let ((beg 0))
(while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
(let ((map (substring doc (match-beginning 1) (match-end 1))))
(setq doc (replace-match (mapconcat 'notmuch-substitute-one-command-key
(cdr (symbol-value (intern map))) "\n") 1 1 doc)))
(let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
(keymap (symbol-value (intern keymap-name))))
(setq doc (replace-match
(mapconcat #'notmuch-substitute-command-keys-one
(cdr keymap) "\n")
1 1 doc)))
(setq beg (match-end 0)))
doc))