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erc / NEWS

ERC NEWS                                                       -*- outline -*-

* Changes since ERC 5.0.1

** If a channel key is required for a certain channel, ERC will prompt
for one if `erc-prompt-for-channel-key' is non-nil.

** Changes and additions to modules

*** Menu (erc-menu.el)

**** You can now save logs and truncate buffers from the menu-bar.

*** Viper (erc-viper.el)

**** This is a new module, for making Viper and ERC play nicely together.

If you use ERC and Viper, adding (require 'erc-viper) to your
~/.ercrc.el should be all that's necessary to enable this.

* Fixes since ERC 5.0.1

** Made some XEmacs compatibility fixes.

** Nicknames containing a backslash are now correctly highlighted as
current-nick and buttonized as nicks.

** `erc-server-select' doesn't offer networks without servers as a
choice anymore.

* Fixes since ERC 5.0

** Narrowing in ERC buffers no longer causes formatting errors.

** The BBDB module now loads correctly when customizing `erc-modules'.

** The value of `erc-button-face' is now respected.

** Fixed a bug which caused a read-only error during connection.

** Server buffers are now tracked correctly.
This means that `erc-track-priority-faces-only', `erc-track-exclude',
and `erc-track-exclude-types' now work with server buffers.

* Changes since ERC 4.0

** Channel members are now stored as a hash-table.
`erc-server-users' and `erc-channel-users' are now hash-tables, rather
than alists.  This significantly increases performance, especially in
large channels.  Each channel member is stored as an `erc-server-user'
struct, with additional information about the channels they are on
stored in an `erc-channel-user' struct.  Code using old alist-style
channel members needs to be updated to work with hash-tables.
This new code also removes the need for erc-members.el, which has been
removed.

** The way ERC deals with input from the server has changed.
All server response code is now in a new file, erc-backend.el.  There
should be no real user visible changes.  There are, however, a few
major changes for implementors, and module writers:

*** The PARSED response that all handlers get called with is
    no longer a vector, but an `erc-response' struct.

    This means LESS MAGIC NUMBERS in the ERC source code, but a few
    changes in how you get at parsed responses.

    The sender is accessed via `erc-response.sender'.

    The command is accessed via `erc-response.command'.

    The arguments to the command (everything after the command and
    before the colon) are accessed via `erc-response.command-args'.
    This is a /list/ of arguments in the order they appear in the
    unparsed response.

    The contents of the response is accessed via
    `erc-response.contents'.

    Should, for some reason, you want to do something with the
    /unparsed/ response, you can get it via `erc-response.unparsed'.

*** The `erc-server-hook-list' mechanism is gone.

    All server response handlers should be defined with
    `define-erc-response-handler'.  This defines functions and
    corresponding hook variables.

    The mapping of server commands to hook variables is no longer
    done via `erc-event-to-hook', but through an #'equal hashtable,
    `erc-server-responses'.  In order to find a hook you do:

    (erc-get-hook command)

    See the docstring of `define-erc-response-handler' for more
    information.

*** ALL hook variables have been renamed.

    In accordance with recommendations in the Emacs Lisp manual,
    the hook variables are no longer called `erc-server-FOO-hook',
    but rather `erc-server-FOO-functions'.  This is to indicate
    that the functions they call take arguments.

    All the modules in ERC have been updated to reflect this change,
    but external module authors should beware.

** The values of `erc-mode-line-format' and `erc-header-line-format'
are now defined as strings to be formatted using `format-spec'.
`erc-mode-line-format' does not replace the whole mode-line anymore,
only `mode-line-buffer-identification' is set.  This way, personal
mode-line configurations are not modified and all key bindings work as
expected.  The process status (connecting, closed) is now shown in
`mode-line-process'.

** Customization of ERC variables has been made easier.  Variables
have been split into more groups for better organization.

** New variables

  o `erc-send-whitespace-lines' - Set this to send lines even if they
    are empty.

  o `erc-manual-set-nick-on-bad-nick-p' - If the nickname you chose is
    already taken or not allowed, your nick is not changed and you can
    try again manually if this is non-nil.

  o `erc-mode-line-away-status-format' - You can now set what is shown
    in the mode-line when you are away.

  o `erc-header-line-uses-help-echo-p' - The header-line now uses the
    help-echo property. You can set this to nil to disable it.

  o `erc-format-query-as-channel-p' - Set this to nil to have messages
    in the query buffer formatted like private messages.

  o `erc-show-channel-key-p' - The channel key is now shown with the
    other channel modes in the header line. Set this to nil if you
    want it hidden.

  o `erc-prompt-for-channel-key' - Set this if you want to be prompted
    for the channel key (channel's mode is +k) when you call
    `erc-join-channel' interactively.

  o `erc-kill-server-buffer-on-quit' - If non-nil, kill the server
    buffer automatically when you quit.

** New hooks

  o `erc-join-hook' - Called when you join a channel.

  o `erc-kick-hook' - Called when you are kicked from a channel. The
    channel's buffer is sent as an argument to functions called from
    this hook.

  o `erc-nick-changed-functions' - Whenever your nickname changes
    successfully, the functions in this hook are run with the
    arguments NEW-NICK and OLD-NICK.

** New command /WHOAMI - Do a /WHOIS on your current nickname.

** The key binding for changing channel modes is now C-c C-o.

** Removed variables

  o `erc-echo-notices-in-minibuffer-flag' and
    `erc-echo-notices-in-current-buffer' - You should use
    `erc-echo-notice-hook' and `erc-echo-notice-always-hook' instead.

  o `erc-prompt-interactive-input' has been removed (commented out)
    because nickname completion does not work with it.

  o All INFO buffer-related variables and functions have been removed.

** You can now disable modules by setting `erc-modules' with the
customization interface.

** Changes and additions to modules

*** Autoaway (erc-autoaway.el)

**** New variable `erc-autoaway-no-auto-back-regexp' - Add text which,
when you type anything matching it, will not automatically discard
your away status when `erc-auto-discard-away' is non-nil.

*** Filling (erc-fill.el)

**** New variable `erc-fill-variable-maximum-indentation' - Don't
indent more than this many characters when indenting a message from a
user with a long nickname.

*** Goodies (erc-goodies.el)

**** Miscellaneous small modules have been moved from erc.el.
The functions erc-add-scroll-to-bottom, erc-make-read-only,
erc-send-distinguish-noncommands, erc-interpret-controls, erc-unmorse,
erc-smiley, and erc-occur, which were defined in the main erc.el file
have been moved to erc-goodies.el and have mostly been translated to
the modules scrolltobottom, readonly, noncommands, irccontrols, smiley
and unmorse.

**** New variables

  o `erc-input-line-position' - The line number to use with
    `erc-scroll-to-bottom'.

  o `erc-beep-p' - Beep if there is a \C-g control character in a
    message.

*** Channel lists (erc-list.el)

**** New variable `erc-chanlist-highlight-face' - A face used for
highlighting the current line.

*** Highlighting (erc-match.el)

**** `erc-current-nick-highlight-type' has new options: 'keyword and
'nick-or-keyword.

*** Menu (erc-menu.el)

**** The `IRC' menu is now automatically added to `erc-mode' buffers.

*** Networks (erc-nets.el)

**** The functions for determining current network are in this file.
There were a couple of functions spread about in different files which
each had a different way of determining the current network.  The
methods have been combined, and the big list of known networks
(`erc-networks-alist') is being put to use.  You can access the
network's name by calling the new function `erc-network'.  This
returns the name of the current network as a symbol or 'Unknown if it
could not determine which network it is.

*** Nicklist (erc-nicklist.el)

**** ERC has a new way of displaying nicknames in a channel.
The new file erc-nicklist.el defines a new command `erc-nicklist'
which pops up a small Emacs window showing the nicknames of all
members of the current channel.  The implementation is not complete
and is rather proof-of-concept for now.  The result is something a bit
like erc-speedbar, but not quite as invasive, and doesn't require use
of a new frame.

*** Internet services / Nickserv (erc-nickserv.el)

**** Network detection is now taken care of by erc-nets.el.
The function `erc-current-network' is deprecated, use `erc-network'
instead.  The variable `erc-networks' has been removed, use
`erc-networks-alist'.  The network symbols used in
`erc-nickserv-alist' now match those in `erc-networks-alist'.

**** New variable `erc-nickserv-identify-mode' - Choose which method
to use for automatic identification: you can wait for Nickserv to ask
you to identify (the default), or send an identify message
automatically after you change your nickname.

*** Speedbar (erc-speedbar.el)

**** New variable `erc-speedbar-sort-users-type' - Sort users in a
channel by activity, alphabetically, or not at all.

*** Timestamps (erc-stamp.el)

**** `erc-timestamp-only-if-changed-flag' now works when
`erc-insert-timestamp-function' is set to 'erc-insert-timestamp-left.

**** New variable `erc-timestamp-intangible' - Set this to nil if
timestamps should not have the 'intangible property.

*** Channel tracking (erc-track.el)

**** Using faces to indicate channel activity in the modeline now works
in XEmacs.

**** New variables

  o `erc-track-priority-faces-only' - Ignore changes in a channel
    unless there is a face from the `erc-track-faces-priority-list' in
    the message.

  o `erc-track-exclude-server-buffer' - Ignore changes in the server
    buffer.

  o `erc-track-position-in-mode-line' - Set the position in the
    mode-line where modified channels are shown (only works in GNU
    Emacs versions above 21.3).

* Changes since ERC 3.0.cvs.20030119

** The module system has again changed a lot.  You can now customize
  the variable `erc-modules' and define once and for all which
  extension modules you want to use.  This unfortunately may require
  you to change your current erc initialisation code a bit, if you
  have some existing customsations.  On the other hand, this change
  makes the configuration of extension modules a lot easier for new
  users.  In theory, you should be able to configure all aspects of
  ERC by using the customize interface, you should no longer really
  need to write Lisp code for trivial customizations.

  By default, the following modules are now loaded: (pcomplete
  netsplit fill track ring button autojoin)

  Please use M-x customize-variable RET erc-modules RET to change the
  default if it does not suite your needs.

** THe symbol used in `erc-nickserv-passwords' for debian.org IRC servers
  (formerly called OpenProjects, now FreeNode) has changed from
  openprojects to freenode.  You may need to update your configuration
  for a successful automatic nickserv identification.

* Changes since ERC 2.93.cvs.20020819

** New module erc-dcc:

This finally implements DCC.  It requires server sockets to fully work
in both directions.  This feature is currently only available in Emacs
21.3.50 (CVS). Here is a short list of what should work though.

** Compatibility:
  * Emacs 21.2, DCC get, and accepting DCC chat offers.
  * XEmacs 21, Only accepting DCC chat offers.

** erc is switching to global-minor-modes for activation of submodules.

This allows you to customize such a mode and get automatic loading of
the module.  No longer putting a lot of require statments in .emacs.
At least this is the long-term plan, not all modules are converted
yet.

** The most important user visible change is that you now need to activate
erc-completion-mode, to get TAB completion.  The new completion code
is based on pcomplete.  To get the old code, manually load
erc-complete and bind TAB to erc-complete in erc-mode-map.

To activate completion on startup, put (erc-completion-mode 1) in your
.emacs file.

Same applies to timestamps.  You no longer need to (require
'erc-stamp), you can customize the variable `erc-timestamp-mode', and
the rest should be automatic.
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