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Kristoffer Haugsbakk 6583251ef6 Use proper markup to preserve meaning of code 
Mark up code that is mentioned in the documentation of some readmes.

In the case of “long options”, like for example `--with-emacs`, this is not just
cosmetic.  On GitHub, Org files are apparently rendered in such a way that
strings like `--` in non-verbatim text (i.e. not verbatim-quoted nor
code-quoted) is transformed to `–` (EN DASH U+2013).  So the string:

    … --with-emacs option:

Will show up like this:

    … –with-emacs option:

Also mark up nearby not-marked-up code mentions.  But this pattern was what was
searched for, so this mostly changes the abovementioned kind of thing.
2017-05-24 11:59:40 +02:00
..
config.el Add custom layout for mu4e buffers 2017-05-04 00:32:35 -04:00
funcs.el Bump year in copyright headers 2017-01-05 23:08:17 -05:00
packages.el Properly read dsm-major-mode-leader-key 2017-05-23 15:40:08 +02:00
README.org Use proper markup to preserve meaning of code 2017-05-24 11:59:40 +02:00

README.org

Mu4e layer

Install

In order to use this layer you must install mu and mu4e separately. Typically mu4e will be bundled with mu (this is the case on many Linux distributions).

If you're on OS X and install mu using Homebrew, you must specify the location of your Emacs binary at install time using the EMACS environment variable, as well as passing the --with-emacs option:

brew install mu --with-emacs

If the installation directory of mu4e is not in Emacs’ load path, you can set the layer variable mu4e-installation-path, for example:

  (setq-default dotspacemacs-configuration-layers
                '((mu4e :variables
                        mu4e-installation-path "/usr/share/emacs/site-lisp")))

Then add this layer to your ~/.spacemacs. You will need to add mu4e to the existing dotspacemacs-configuration-layers list in this file.

Commands

Global bindings

Keybinding Command
SPC a M Start mu4e

Headers mode

Keybinding Command
J Go to next unread thread marking other mail read on the way
C-j Next header
C-k Previous header

View mode

Keybinding Command
J Go to next unread thread marking other mail read on the way
C-j Next header
C-k Previous header

Configuration

Configuration varies too much to give precise instructions. What follows is one example configuration. Refer to mu4e's manual for more detailed configuration instructions.

Maildirs extension

The maildirs extension adds a list of all your maildirs to the main mu4e view that by default shows the unread and total mail counts for all your mail under your base mail directory.

This extension is enabled by default, you can deactivate (and uninstall) it by adding the package = to your dotfile variable =dotspacemacs-excluded-packages.

Multiple Accounts

This layer includes support for multiple sending accounts. If you have only one account you do not need to define this variable. If you have multiple accounts, configure the mu4e-account-alist variable:

  (setq mu4e-account-alist
        '(("gmail"
           ;; Under each account, set the account-specific variables you want.
           (mu4e-sent-messages-behavior delete)
           (mu4e-sent-folder "/gmail/[Gmail]/.Sent Mail")
           (mu4e-drafts-folder "/gmail/[Gmail]/.Drafts")
           (user-mail-address "billy@gmail.com")
           (user-full-name "Billy"))
          ("college"
           (mu4e-sent-messages-behavior sent)
           (mu4e-sent-folder "/college/Sent Items")
           (mu4e-drafts-folder "/college/Drafts")
           (user-mail-address "bb15@college.edu")
           (user-full-name "Billy Bob 15"))))
  (mu4e/mail-account-reset)

The first account listed will be the default account, so variables like user-full-name, which is used by other parts of Emacs, will have their value reset for the default account after sending each email.

Note that the mu4e layer expects mu4e-account-alist to be defined before the layer is loaded. For example, you can set mu4e-account-alist to a dummy setting in dotspacemacs/layers:

(mu4e :variables mu4e-account-alist t)

and then actually set mu4e-account-alist later in dotspacemacs/user-config.

Make sure you call mu4e/mail-account-reset afterward, which will initialize the given account variables.

If you have mu 0.9.16 or later, you can use mu4e's built-in contexts feature instead (see mu4e's manual).

Example configuration 

  ;;; Set up some common mu4e variables
  (setq mu4e-maildir "~/.mail"
        mu4e-trash-folder "/Trash"
        mu4e-refile-folder "/Archive"
        mu4e-get-mail-command "mbsync -a"
        mu4e-update-interval nil
        mu4e-compose-signature-auto-include nil
        mu4e-view-show-images t
        mu4e-view-show-addresses t)

  ;;; Mail directory shortcuts
  (setq mu4e-maildir-shortcuts
        '(("/gmail/INBOX" . ?g)
          ("/college/INBOX" . ?c)))

  ;;; Bookmarks
  (setq mu4e-bookmarks
        `(("flag:unread AND NOT flag:trashed" "Unread messages" ?u)
          ("date:today..now" "Today's messages" ?t)
          ("date:7d..now" "Last 7 days" ?w)
          ("mime:image/*" "Messages with images" ?p)
          (,(mapconcat 'identity
                       (mapcar
                        (lambda (maildir)
                          (concat "maildir:" (car maildir)))
                        mu4e-maildir-shortcuts) " OR ")
           "All inboxes" ?i)))

Notifications

mu4e-alert is an extension that provides desktop notifications and adds the count of unread messages to the modeline.

https://raw.githubusercontent.com/iqbalansari/mu4e-alert/master/screenshots/mu4e-alert-in-action.png

For an extended documentation of the available customizations please refer to mu4e-alert's documentation

OS notifications

To enable notifications about new messages, add the following line to your dotspacemacs/user-config:

  (setq mu4e-enable-notifications t)

or use layer variables when you add the layer to dotspacemacs-configuration-layers:

  (mu4e :variables mu4e-enable-notifications t)

By default, notifications will be shown in the *Messages* buffer. To enable desktop notifications about new messages, add the following lines to your dotspacemacs/user-config, according to your operating system and the installed libraries:

  (with-eval-after-load 'mu4e-alert
    ;; Enable Desktop notifications
    (mu4e-alert-set-default-style 'notifications)) ; For linux
    ;; (mu4e-alert-set-default-style 'libnotify))  ; Alternative for linux
    ;; (mu4e-alert-set-default-style 'notifier))   ; For Mac OSX (through the
                                                   ; terminal notifier app)
    ;; (mu4e-alert-set-default-style 'growl))      ; Alternative for Mac OSX

Mode-line notifications

To enable mode-line display about new messages, add the following line to your dotspacemacs/user-config:

  (setq mu4e-enable-mode-line t)

or use layer variables when you add the layer to dotspacemacs-configuration-layers:

  (mu4e :variables mu4e-enable-mode-line t)

Spacemacs layout integration

A Spacemacs custom layout is defined by the layer. The name and the key binding for it can be customized with the following layer variables:

  • mu4e-spacemacs-layout-name for the layout name,
  • mu4e-spacemacs-layout-binding for the key binding.

By default the values are:

(setq-default dotspacemacs-configuration-layers '(
  (mu4e :variables mu4e-spacemacs-layout-name "@Mu4e"
                   mu4e-spacemacs-layout-binding "m")))

See also

Refer to the official mu and mu4e documentation for additional info.