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622 lines
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622 lines
19 KiB
Plaintext
\input texinfo @c -*-texinfo-*-
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@comment %**start of header
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@setfilename ../../info/newsticker.info
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@include emacsver.texi
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@set VERSION @value{EMACSVER}
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@settitle Newsticker @value{VERSION}
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@include docstyle.texi
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@syncodeindex vr cp
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@syncodeindex fn cp
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@syncodeindex pg cp
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@comment %**end of header
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@copying
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This manual documents Newsticker, a feed reader for Emacs. It
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corresponds to Emacs version @value{EMACSVER}.
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@noindent
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Copyright @copyright{} 2004--2024 Free Software Foundation, Inc.
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@quotation
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, with the Front-Cover Texts being ``A GNU Manual'',
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and with the Back-Cover Texts as in (a) below. A copy of the license
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is included in the section entitled ``GNU Free Documentation License''.
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(a) The FSF's Back-Cover Text is: ``You have the freedom to copy and
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modify this GNU manual.''
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@end quotation
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@end copying
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@dircategory Emacs network features
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@direntry
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* Newsticker: (newsticker). A feed reader for Emacs.
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@end direntry
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@titlepage
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@title Newsticker---a feed reader for Emacs
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@author Ulf Jasper
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@author @email{ulf.jasper@@web.de}
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@page
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@vskip 0pt plus 1filll
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@insertcopying
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@end titlepage
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@contents
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@ifnottex
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@node Top
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@top Newsticker
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@insertcopying
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@end ifnottex
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@menu
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* Overview:: What is Newsticker?
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* Installation:: Things to do before starting Newsticker the first time.
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* Retrieving News:: How Newsticker fetches headlines.
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* Headline Management:: How Newsticker stores headlines.
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* Reading News:: How to read RSS and Atom feeds with Newsticker.
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* Automatic Processing:: Automatically process news items.
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* Configuration:: Customize Newsticker to your liking.
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* Supported Formats:: RSS and Atom formats supported by Newsticker.
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* GNU Free Documentation License:: The license for this documentation.
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* Index:: Variable, function, and concept index.
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@end menu
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@node Overview
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@chapter Overview
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Newsticker provides a @b{Feed Reader} for Emacs. It retrieves
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headlines from a list of news sites, processes them, and provides
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frontends for reading and managing them. (Standard headline formats
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are RSS and Atom which makes Newsticker an ``RSS Reader'', ``Atom
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Reader'' or ``Feed Aggregator''.)
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Headlines (or news items) consist of a title, (mostly) a description,
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and a link to the full story. The description may be a brief summary
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in plain text or a full HTML-formatted article. A headline may carry
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enclosed data such as images, audio or video files, typically in the
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case of so ``podcast feeds''.
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Newsticker downloads headlines asynchronously at configurable times,
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processes and stores them so that you can read them later. The list
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of subscribed feeds, the headline processing, the presentation of the
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headlines and almost all other aspects of Newsticker can be
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customized to your liking.
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@node Installation
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@chapter Installation
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As Newsticker is part of GNU Emacs there is no need to perform any
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installation steps in order to use it.
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Newsticker is highly customizable. All options have reasonable default
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values, so that (in most cases) it is not necessary to customize
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anything before you start Newsticker for the first time.
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@node Retrieving News
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@chapter Retrieving News
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Newsticker downloads news periodically in the background. This is
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triggered as soon as you start reading news (@ref{Reading News}).
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@findex newsticker-start
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@findex newsticker-stop
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Alternatively you may use the command @code{newsticker-start}
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(@code{newsticker-stop}) in order to start (stop) the periodic
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download of news without opening the reader.
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The following variables define which feeds are fetched and how this is
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done.
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@table @code
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@vindex newsticker-url-list-defaults
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@item newsticker-url-list-defaults
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You may select any number of feeds from this list of (sample) news feeds.
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@vindex newsticker-url-list
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@item newsticker-url-list
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All your personal news feeds are defined here. Each feed is
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identified by its name and an URL@. You may set the start-time and the
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retrieval interval for each feed as well as the retrieval command
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arguments in case that the default values do not fit a certain feed.
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@vindex newsticker-retrieval-method
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@vindex newsticker-wget-name
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@vindex newsticker-wget-arguments
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@item newsticker-retrieval-method
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By default Newsticker uses Emacs's built-in download capabilities for
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fetching headlines. You may change this to use an external tool like
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@code{wget}. In this case you need to set @code{newsticker-wget-name}
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and possibly @code{newsticker-wget-arguments}.
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@vindex newsticker-retrieval-interval
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@item newsticker-retrieval-interval
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The number of seconds between headline retrievals.
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@end table
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@node Headline Management
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@chapter Headline Management
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@cindex Age
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@cindex Status
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Newsticker assigns a status (or ``age'') to each headline which you
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can modify manually. This makes it easy to distinguish new headlines
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from old ones, to keep important headlines, to hide boring headlines
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etc. An item is ``new'' when it has just arrived and has not been
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read. You can mark it as ``old'' when you have read it or -- if you
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want to keep it -- you can mark it as ``immortal''. You can do that
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manually and you can define filters which do that automatically, see
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below. When a headline has vanished from the feed it is automatically
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marked as ``obsolete'' unless it has the status ``immortal''.
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``Obsolete'' headlines get removed automatically after a certain time.
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@table @code
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@cindex Filter
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@vindex newsticker-auto-mark-filter-list
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@item newsticker-auto-mark-filter-list
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You may define any number of filters for automatically marking newly
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arrived headlines as ``immortal'' or ``old''. A filter looks for a
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regular expression in either the title or the description of a
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headline and then, if the expression matches, marks the headline as
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``immortal'' or as ``old''. This is done only once, when a headline
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is fetched for the very first time.
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@vindex newsticker-keep-obsolete-items
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@vindex newsticker-obsolete-item-max-age
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@item newsticker-keep-obsolete-items
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Obsolete headlines are removed immediately unless
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@code{newsticker-keep-obsolete-items} is non-@code{nil} in which case they
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are kept until @code{newsticker-obsolete-item-max-age} is reached.
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@vindex newsticker-automatically-mark-items-as-old
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@item newsticker-automatically-mark-items-as-old
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If this is set to @code{t} then a ``new'' item becomes ``old'' as soon as
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it is retrieved a second time.
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@end table
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@node Reading News
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@chapter Reading News
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@findex newsticker-show-news
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Start Newsticker with the command @kbd{M-x newsticker-show-news}. This
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will start the asynchronous news download and displays all available
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headlines.
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@menu
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* Frontends:: Select the way headlines are displayed.
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* Navigation:: Move to the next unread headline etc.
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* Marking:: Mark important headlines.
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* More Actions:: Add new feeds etc..
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@end menu
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@node Frontends
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@section Frontends
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@cindex Frontends
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@vindex newsticker-frontend
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Newsticker provides two different @i{views} for browsing, marking and
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reading news. The variable @code{newsticker-frontend} determines the
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actual headline reader.
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@subheading Treeview
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@cindex Treeview
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In this view separate windows are used for displaying feeds, headlines
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and their descriptions. The feeds are shown as a tree on the left
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hand side, headlines of the currently selected feed are shown on the
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upper right side, and the full contents of the currently selected
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headline is shown on the lower right side.
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Feeds can be placed into groups, which themselves can be placed in
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groups and so on. This results in the tree which is displayed on the
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left. A node represents either a feed or a group of feeds holding a
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subtree. The following commands allow for managing groups.
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@table @kbd
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@item M-a
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@kindex M-a
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@findex newsticker-group-add-group
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Add a new feed group. Name of the new group and of the parent group
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must be entered. If The name of the parent group is the new group
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becomes a top-level group. (@code{newsticker-group-add-group})
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@item M-m
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@kindex M-m
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@findex newsticker-group-move-feed
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Moves a feed into a group. The name of the group must be
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entered. (@code{newsticker-group-move-feed})
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@end table
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The position of groups and feeds within the tree can be changed with these
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commands:
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@table @kbd
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@item M-@key{UP}
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@itemx M-@key{DOWN}
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@kindex M-UP
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@kindex M-DOWN
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@findex newsticker-group-shift-feed-up
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@findex newsticker-group-shift-feed-down
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Shift the currently selected feed up and down within its group.
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@item M-S-@key{UP}
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@itemx M-S-@key{DOWN}
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@kindex M-S-UP
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@kindex M-S-DOWN
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@findex newsticker-group-shift-group-up
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@findex newsticker-group-shift-group-down
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Shift the currently selected group up and down within its parent group.
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@end table
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The group settings are saved to a file either automatically when
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newsticker is being quit or manually when the following command is
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executed.
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@table @kbd
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@item s
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@kindex s
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@findex newsticker-treeview-save
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Save treeview group settings.
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@end table
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The Treeview is updated automatically as soon as new headlines have
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arrived.
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The Treeview is used when the variable @code{newsticker-frontend} is
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set to the value @code{newsticker-treeview}. (Alternatively it can be
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started with the command @code{newsticker-treeview}.)
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@subheading Plainview
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@cindex Plainview
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In this view all headlines of all feeds are displayed in a single
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buffer (@file{*newsticker*}). The modeline in the @file{*newsticker*}
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buffer informs you whenever new headlines have arrived.
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You may want to use imenu with Plainview, which allows for navigating
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with the help of a menu. In this case add the following to your Emacs
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startup file (@file{~/.emacs}).
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@lisp
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(add-hook 'newsticker-mode-hook 'imenu-add-menubar-index)
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@end lisp
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(Note that preparing the Plainview takes significantly more time than
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starting the Treeview because all headlines are displayed in a single
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buffer. When you have subscribed to a large amount of feeds you may
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find that Newsticker's efforts of minimizing rendering times, caching
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rendered items and so on you may find However, when you have
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subscribed to a large amount of feeds you may want to give the
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Treeview a try.)
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The Plainview is used when the variable @code{newsticker-frontend} is
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set to the value @code{newsticker-plainview}. (Alternatively it can be
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started with the command @code{newsticker-plainview}.)
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@subheading Ticker
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@cindex Ticker
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Additionally, headlines can be displayed in the echo area in the style of a
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news ticker.
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@findex newsticker-start-ticker
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@findex newsticker-stop-ticker
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@vindex newsticker-ticker-period
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Headlines can be displayed in the echo area, either scrolling like
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messages in a stock-quote ticker, or just changing. This can be
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started with the command @code{newsticker-start-ticker}. It can be
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stopped with @code{newsticker-stop-ticker}.
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The ticker by default runs continuously. To only run it once, at a
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specific time interval, set the @code{newsticker-ticker-period}
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variable.
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@node Navigation
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@section Navigation
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@cindex Navigation
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Navigating through the list of feeds and headlines is rather
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straightforward. You may do this either with the mouse or with the
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keyboard. The following key bindings are provided in both, the
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Treeview as well as the Plainview.
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@table @kbd
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@item f
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@findex newsticker-next-feed
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@findex newsticker-treeview-next-feed
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Move to next feed (@code{newsticker-next-feed},
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@code{newsticker-treeview-next-feed}).
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@item F
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@findex newsticker-previous-feed
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@findex newsticker-treeview-prev-feed
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Move to previous feed (@code{newsticker-previous-feed},
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@code{newsticker-treeview-prev-feed}).
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@item n
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@findex newsticker-next-item
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@findex newsticker-treeview-next-item
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Move to next item (@code{newsticker-next-item},
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@code{newsticker-treeview-next-item}).
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@item N
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@findex newsticker-next-new-item
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@findex newsticker-treeview-next-new-item
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Move to next new item (possibly in another feed)
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(@code{newsticker-next-new-item},
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@code{newsticker-treeview-next-new-item}).
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@item p
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@findex newsticker-previous-item
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@findex newsticker-treeview-prev-item
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Move to previous item (@code{newsticker-previous-item},
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@code{newsticker-treeview-prev-item}).
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@item P
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@findex newsticker-previous-new-item
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@findex newsticker-treeview-prev-new-item
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Move to previous new item (possibly in another feed)
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(@code{newsticker-previous-new-item},
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@code{newsticker-treeview-prev-new-item}).
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@end table
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@subheading Treeview
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@table @kbd
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@item j
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@findex newsticker-treeview-jump
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Enter the name of a feed and jump to it
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(@code{newsticker-treeview-jump}).
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@end table
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@node Marking
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@section Marking
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@cindex Marking
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The following key bindings are provided in both, the Treeview as well
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as the Plainview.
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@table @kbd
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@item o
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@findex newsticker-mark-item-at-point-as-read
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@findex newsticker-treeview-mark-item-old
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Mark current item as old.
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(@code{newsticker-mark-item-at-point-as-read},
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@code{newsticker-treeview-mark-item-old}).
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@item i
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@findex newsticker-mark-item-at-point-as-immortal
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@findex newsticker-treeview-mark-item-immortal
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Mark current item as immortal. Immortal items are kept forever.
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(@code{newsticker-mark-item-at-point-as-immortal},
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@code{newsticker-treeview-mark-item-immortal}).
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@end table
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@node More Actions
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@section More Actions
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@cindex More Actions
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@subheading View full article
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@table @kbd
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@cindex Get News
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@item v
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@itemx @key{RET}
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@itemx mouse-1
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@findex newsticker-treeview-browse-url
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Open the link to the full article (as contained in the current
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headline) in your web browser @code{newsticker-treeview-browse-url}).
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@end table
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@subheading Get News
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@cindex Get News
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You can force immediate download of news with the following commands.
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@table @kbd
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@item g
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@findex newsticker-treeview-get-news
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Get news for currently shown feed (@code{newsticker-treeview-get-news}).
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@item G
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@findex newsticker-get-all-news
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Get news for all feeds (@code{newsticker-get-all-news}).
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@end table
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@subheading Add More Feeds
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@cindex Add More Feeds
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@table @kbd
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@item a
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@findex newsticker-add-url
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The command @code{newsticker-add-url} prompts for an URL and a name of
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a new feed. It then prepares a customization buffer where the details
|
|
of the new feed can be set.
|
|
@end table
|
|
|
|
|
|
@node Automatic Processing
|
|
@chapter Automatic Processing
|
|
@cindex Automatic Processing
|
|
|
|
Apart from automatic marking of headlines (by means of filters)
|
|
Newsticker provides the possibility to fully process newly arrived
|
|
headlines. Instead of reading headlines yourself you can tell
|
|
Newsticker to do that for you.
|
|
|
|
@vindex newsticker-new-item-functions
|
|
In order to do so write a function which takes two arguments
|
|
|
|
@table @var
|
|
@item FEEDNAME
|
|
the name of the corresponding news feed,
|
|
@item ITEM
|
|
the decoded headline.
|
|
@end table
|
|
|
|
and add it to @code{newsticker-new-item-functions}. Each function
|
|
contained in this list is called once for each new headline.
|
|
Depending on the feed name and the contents of the new headline you
|
|
can
|
|
|
|
@itemize
|
|
@item
|
|
automatically download images referenced in HTML-formatted
|
|
descriptions (for which a function already exists, see
|
|
@code{newsticker-download-images}),
|
|
@item
|
|
automatically save enclosed audio and video files (for which another
|
|
function exists as well, see @code{newsticker-download-enclosures}),
|
|
@item
|
|
flash the screen while playing some sound,
|
|
@item
|
|
whatever you want.
|
|
@end itemize
|
|
|
|
@node Configuration
|
|
@chapter Configuration
|
|
|
|
All Newsticker options are customizable, i.e., they can be changed with
|
|
Emacs customization methods. Call the command
|
|
@code{customize-group} and enter @samp{newsticker} for the customization
|
|
group.
|
|
|
|
@noindent
|
|
The following list shows the available groups of Newsticker options
|
|
and some of the most important options.
|
|
|
|
@itemize
|
|
|
|
@item
|
|
@code{newsticker-retrieval} contains options that define which news
|
|
feeds are retrieved and how this is done.
|
|
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-url-list
|
|
@code{newsticker-url-list} defines the list of headlines that are
|
|
retrieved.
|
|
@item
|
|
@vindex newsticker-retrieval-method
|
|
@code{newsticker-retrieval-method} defines how headlines are
|
|
retrieved. This is either done using Emacs's built-in download
|
|
capabilities or using an external tool.
|
|
@item
|
|
@vindex newsticker-retrieval-interval
|
|
@code{newsticker-retrieval-interval} defines how often headlines
|
|
are retrieved.
|
|
@end itemize
|
|
|
|
@item
|
|
@code{newsticker-headline-processing} contains options that define
|
|
how the retrieved headlines are processed.
|
|
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-keep-obsolete-items
|
|
@code{newsticker-keep-obsolete-items} decides whether unread
|
|
headlines that have been removed from the feed are kept in the
|
|
Newsticker cache.
|
|
@item
|
|
@vindex newsticker-auto-mark-filter-list
|
|
@code{newsticker-auto-mark-filter-list} provides the possibility to
|
|
automatically mark headlines as immortal or old.
|
|
@end itemize
|
|
|
|
@item
|
|
@code{newsticker-hooks} contains options for hooking other Emacs
|
|
commands to newsticker functions.
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-new-item-functions
|
|
@code{newsticker-new-item-functions} allows for automatic
|
|
processing of headlines. See @code{newsticker-download-images}, and
|
|
@code{newsticker-download-enclosures} for sample functions.
|
|
@item
|
|
@vindex newsticker-plainview-hooks
|
|
The subgroup @code{newsticker-plainview-hooks} contains hooks that
|
|
apply to the plainview reader only.
|
|
@end itemize
|
|
|
|
@item
|
|
@code{newsticker-miscellaneous} contains other Newsticker options.
|
|
|
|
@item
|
|
@code{newsticker-ticker} contains options that define how headlines
|
|
are shown in the echo area, i.e., the ``ticker''.
|
|
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-display-interval
|
|
@vindex newsticker-ticker-period
|
|
@vindex newsticker-scroll-smoothly
|
|
@code{newsticker-ticker-interval},
|
|
@code{newsticker-ticker-period}, and
|
|
@code{newsticker-scroll-smoothly} define how headlines are shown in
|
|
the echo area.
|
|
@end itemize
|
|
|
|
|
|
@item
|
|
@code{newsticker-reader} contains options for adjusting the headline reader.
|
|
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-frontend
|
|
@code{newsticker-frontend} determines the actual headline reader. The
|
|
``plainview'' reader uses a single buffer, the ``treeview'' uses
|
|
separate buffers and windows.
|
|
@end itemize
|
|
|
|
@itemize
|
|
@item
|
|
@vindex newsticker-plainview
|
|
The subgroup @code{newsticker-plainview} contains options for the
|
|
plainview reader.
|
|
@item
|
|
@vindex newsticker-treeview
|
|
The subgroup @code{newsticker-treeview} contains options for the
|
|
treeview reader.
|
|
@end itemize
|
|
|
|
@end itemize
|
|
|
|
@noindent
|
|
For the complete list of options please have a look at the
|
|
customization buffers.
|
|
|
|
@node Supported Formats
|
|
@appendix Supported Formats
|
|
@cindex Supported Formats
|
|
|
|
Newsticker works with the standard RSS and Atom formats listed below
|
|
(being lenient with feeds which break the specifications).
|
|
|
|
@subheading RSS formats
|
|
|
|
@itemize
|
|
@item RSS 0.91 (see @uref{http://backend.userland.com/rss091})
|
|
@item RSS 0.92 (see @uref{http://backend.userland.com/rss092})
|
|
@item RSS 1.0 (see @uref{http://web.resource.org/rss/1.0/spec})
|
|
@item RSS 2.0 (see @uref{https://cyber.harvard.edu/rss/rss.html})
|
|
@end itemize
|
|
|
|
@subheading Atom formats
|
|
|
|
@itemize
|
|
@item Atom 0.3
|
|
@item Atom 1.0 (see
|
|
@uref{https://datatracker.ietf.org/doc/rfc4287/})
|
|
@end itemize
|
|
|
|
|
|
@node GNU Free Documentation License
|
|
@appendix GNU Free Documentation License
|
|
@include doclicense.texi
|
|
|
|
@node Index
|
|
@unnumbered Index
|
|
@printindex cp
|
|
|
|
|
|
@bye
|