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><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="WORKING-ONLINE"
>5. Working online</A
></H1
><P
>	This section explores many of the tasks you would commonly
	perform using the Internet, including browsing the web,
	chatting online, reading e-mail, etc.
	</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="BROWSING-THE-INTERNET"
>5.1. Browsing the Internet</A
></H2
><P
>	The best way to browse the Internet from within Emacs is using
	<SPAN
CLASS="APPLICATION"
>W3</SPAN
>. <SPAN
CLASS="APPLICATION"
>W3</SPAN
>
	is a full-featured web browser written just for Emacs.
	It does not come with Emacs, but it can be downloaded from <A
HREF="ftp://ftp.xemacs.org/pub/xemacs/emacs-w3/w3.tar.gz"
TARGET="_top"
>ftp://ftp.xemacs.org/pub/xemacs/emacs-w3/w3.tar.gz</A
>.
	The latest release of W3 is version 4.0, and you can get more
	information about it from the W3 at <A
HREF="http://www.cs.indiana.edu/elisp/w3/docs.html"
TARGET="_top"
>http://www.cs.indiana.edu/elisp/w3/docs.html</A
>. 
	</P
><P
>	Once you've downloaded W3, you'll need to perform the
	following tasks to install it:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Open an Emacs shell as root, using the command
			<B
CLASS="COMMAND"
>C-e emacspeak-root</B
>.
			</P
></LI
><LI
><P
>			Use the <B
CLASS="COMMAND"
>cd</B
> command to
			change to the directory where the
			<TT
CLASS="FILENAME"
>w3.tar.gz</TT
> file is.
			</P
></LI
><LI
><P
>			Uncompress the
			<TT
CLASS="FILENAME"
>w3.tar.gz</TT
> file, using the
			following commands:
			</P
><P
></P
><OL
TYPE="a"
><LI
><P
>					At the root command prompt,
					type <B
CLASS="COMMAND"
>gunzip
					w3.tar.gz</B
>. You'll be left with a
					file called
					<TT
CLASS="FILENAME"
>w3.tar</TT
>.
					</P
></LI
><LI
><P
>					At the root command prompt,
					type <B
CLASS="COMMAND"
>tar -xvf
					w3.tar</B
>. You'll be left with a
					directory called
					<TT
CLASS="FILENAME"
>w3-4.0pre.46</TT
>.
					</P
></LI
></OL
></LI
><LI
><P
>			Change directories to the
			<TT
CLASS="FILENAME"
>w3-4.0pre.46</TT
> directory.
			</P
><P
>			Note that the next several steps are also
			covered in extensive detail in the INSTALL
			file included in the
			<TT
CLASS="FILENAME"
>w3-4.0pre.46</TT
> directory.
			If you'd like more detailed instructions,
			please refer to that file.
			</P
></LI
><LI
><P
>			At the command prompt, type
			<B
CLASS="COMMAND"
>/.configure</B
>. Your makefile
			will be configued as is
			appropriate for your system.
			</P
></LI
><LI
><P
>			When your machine has finished creating the
			makefile, type <B
CLASS="COMMAND"
>make install</B
>
			at the command prompt. The application will be
			compiled so that it
			can be executed. 
			</P
><P
>			<SPAN
CLASS="APPLICATION"
> W3</SPAN
> is a native Emacs application. In
			addition, <SPAN
CLASS="APPLICATION"
>W3</SPAN
> has
			already been speech-enabled, and the
			<TT
CLASS="FILENAME"
>emacspeak-w3.el</TT
> file that provides speech was
			pre-installed with Emacspeak into your
			<TT
CLASS="FILENAME"
>/emacs/site-lisp/emacspeak/lisp/</TT
> directory.
			</P
></LI
><LI
><P
>			Once your machine has finished making the
			application, open your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file (located in
			your home directory) and add the following
			line:
			</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="90%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>			(autoload 'w3 "w3" "Interface for w3 on Emacs." t)
			</PRE
></FONT
></TD
></TR
></TABLE
><P
>			Including this line in your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file causes
			<SPAN
CLASS="APPLICATION"
>W3</SPAN
> to load
			automatically when you start
			an Emacs session.
			</P
></LI
><LI
><P
>			Save and close your <TT
CLASS="FILENAME"
>.emacs</TT
> file
			when you are finished editing.
			</P
></LI
><LI
><P
>			To start using <SPAN
CLASS="APPLICATION"
>w3</SPAN
>,
			type <B
CLASS="COMMAND"
>M-x w3-fetch</B
> and press
			Return.
			</P
></LI
><LI
><P
>			Supply the start URL.
			</P
></LI
></OL
><P
>	When browsing, you will find files that you want to download.
	Although it is possible to download files using
	<SPAN
CLASS="APPLICATION"
>W3</SPAN
> by pressing "D" when the cursor
	is over a link, the <SPAN
CLASS="APPLICATION"
>wget</SPAN
>
	application is a much
	better way to do downloads. Using
	the <B
CLASS="COMMAND"
>wget</B
> command to download files is discussed in <A
HREF="working-with-files.html#DOWNLOADING-FILES"
>Section 4.1</A
>, Downloading files.
	</P
><P
>	As a web browser, <SPAN
CLASS="APPLICATION"
>W3</SPAN
> has many functions that
	can be accessed by typing <B
CLASS="COMMAND"
>M-x w3-</B
> and then
	pressing the Tab key.  Emacs will provide you with a list of
	options to complete the string.
	</P
><P
>	Some of the common commands for navigating in
	<SPAN
CLASS="APPLICATION"
>W3</SPAN
> are listed below:
	</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><B
CLASS="COMMAND"
>Return</B
></DT
><DD
><P
>					Pressing <B
CLASS="COMMAND"
>Return</B
> when over a
					hyperlink follows that
					hyperlink. Note that if the
					hyperlink goes to an FTP site,
					you may get an error.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>Tab</B
></DT
><DD
><P
>					Tabs between the various links
					on the page.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>&#60;</B
></DT
><DD
><P
>					Goes to the beginning of the
					document.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>&#62;</B
></DT
><DD
><P
>					Goes to the end of the
					document.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>M-s</B
></DT
><DD
><P
>					Saves the current document to
					the local disk as HTML source,
					formatted text, LaTeX source,
					or binary.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>space</B
></DT
><DD
><P
>					Scrolls down in the buffer.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>backspace</B
></DT
><DD
><P
>					Scrolls up in the buffer.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>q</B
></DT
><DD
><P
>					Kills the buffer.
					</P
></DD
></DL
></DIV
><P
>	For a complete listing of <SPAN
CLASS="APPLICATION"
>W3</SPAN
>
	commands, refer to the User's Manual located at <A
HREF="http://www.cs.indiana.edu/elisp/w3/docs.html"
TARGET="_top"
>http://www.cs.indiana.edu/elisp/w3/docs.html</A
>
	</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="CHATTING-ONLINE"
>5.2. Chatting online</A
></H2
><P
>	There are any number of IRC (Internet Relay Chat) applications
	that you can install, two of which are recommended: AOL
	Instant Messenger for Emacs (called TNT), and ERC.
	</P
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AIM"
>5.2.1. AOL Instant Messenger for Emacs (TNT)</A
></H3
><P
>	There's a special version of AOL Instant Messenger (AIM)
	written just for Emacs, called TNT. The main site for TNT is at <A
HREF="http://sourceforge.net/projects/tnt/"
TARGET="_top"
>http://sourceforge.net/projects/tnt/</A
>, and you
	can download the necessary files from <A
HREF="http://download.sourceforge.net/tnt/tnt-2.3.2.tar.gz"
TARGET="_top"
>http://download.sourceforge.net/tnt/tnt-2.3.2.tar.gz</A
>.
	Don't download any files from AOL's site, as you'll end up
	with the graphical version of AIM instead of the Emacs
	version. In addition to installing TNT, you'll also need to set up an
	Instant Messenger account with AOL, and you can do so at
	<A
HREF="http://www.aol.com/aim/homenew.adp"
TARGET="_top"
>http://www.aol.com/aim/homenew.adp</A
>.
	</P
><P
>	Once you've signed up for an account and downloaded the files,
	you'll need to complete the following steps:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Open an Emacs command shell as root, using the
			command <B
CLASS="COMMAND"
>C-e emacspeak-root</B
>.
			</P
></LI
><LI
><P
>			Change directories using the
			<B
CLASS="COMMAND"
>cd</B
> command to the directory
			containing the downloaded file.
			</P
></LI
><LI
><P
>			Unzip the file using the command
			<B
CLASS="COMMAND"
>gunzip tnt-2.3.2.tar.gz</B
>,
			then expand the resulting tarball using the
			command <B
CLASS="COMMAND"
>tar -xvf tnt-2.3.2.tar</B
>.
			</P
></LI
><LI
><P
>			Change directories into the new
			<TT
CLASS="FILENAME"
>tnt-2.3.2</TT
> directory.
			</P
><P
>			The next several steps are covered
			in detail in the INSTALL file that can be
			found in the <TT
CLASS="FILENAME"
>tnt-2.3.2</TT
>
			directory. If you'd like more details than are
			covered here, please refer to that file.
			</P
></LI
><LI
><P
>			Copy all the .el and .elc files into a
			directory that is in your Emacs
			load-path. Typically this directory is
			<TT
CLASS="FILENAME"
>/emacs/site-lisp/</TT
> (you should
			be able to see a number of other .el and .elc
			files in there). 
			</P
></LI
><LI
><P
>			Open your <TT
CLASS="FILENAME"
>.emacs</TT
> file and
			add the following lines:
			</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="90%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>			(setq load-path (cons "/full/path/to/tnt" load-path))
    			(load "tnt")
			</PRE
></FONT
></TD
></TR
></TABLE
><P
>			When you add these lines to your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file, be sure to
			change the <TT
CLASS="FILENAME"
>"full/path/to/tnt"</TT
> to the
			directory where you placed the .el and .elc files.
			</P
></LI
><LI
><P
>			Save and close your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file.
			</P
></LI
><LI
><P
>			Restart Emacs so that the changes take place.
			</P
></LI
></OL
><P
>	To start
	TNT, type <B
CLASS="COMMAND"
>M-x tnt</B
> and follow the instructions.  You'll
	probably want to read the README file contained in the
	<TT
CLASS="FILENAME"
>tnt-2.3.2</TT
> directory, as it contains
	excellent descriptions of all the commands used by TNT.
	</P
></DIV
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="ERC"
>5.2.2. ERC</A
></H3
><P
>	ERC is an IRC (Internet Relay Chat) client written especially for Emacs.  The main
	site for ERC is located at <A
HREF="http://sourceforge.net/projects/erc"
TARGET="_top"
>http://sourceforge.net/projects/erc</A
>, and you
	can download and install the appropriate files as follows:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Go to <A
HREF="http://prdownloads.sourceforge.net/erc/erc.el"
TARGET="_top"
>http://prdownloads.sourceforge.net/erc/erc.el</A
>.
			Save the page
			(it is the ERC application) into a new file
			called <TT
CLASS="FILENAME"
>erc.el</TT
>.
			</P
></LI
><LI
><P
>			Place the new file in your Emacs load-path,
			typically in the directory
			<TT
CLASS="FILENAME"
>/usr/share/emacs/site-lisp</TT
>.
			</P
></LI
><LI
><P
>			Open your <TT
CLASS="FILENAME"
>.emacs</TT
> file and
			add the following line:
			</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="90%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>			(require 'erc)
			</PRE
></FONT
></TD
></TR
></TABLE
></LI
><LI
><P
>			Save and close your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file.
			</P
></LI
><LI
><P
>			Exit and restart Emacs so that the changes
			take place. You won't need to download any
			Emacspeak-enabled <TT
CLASS="FILENAME"
>.el</TT
> files, as those are already
			included in your
			<TT
CLASS="FILENAME"
>/emacspeak/lisp</TT
>
			directory.
			</P
></LI
></OL
><P
>	Once you have installed ERC, it can be started from Emacs
	using the command <B
CLASS="COMMAND"
>M-x erc-select</B
> to select
	an IRC server.
	</P
><P
>	For more documentation, refer to the <TT
CLASS="FILENAME"
>erc.el</TT
> file.  It
	contains installation and usage instructions in the comments at the top of the
	file.
	</P
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="USING-EMAIL"
>5.3. Using e-mail</A
></H2
><P
>	There are multiple mail programs available for e-mail
	purposes. One that is recommended is VM (View Mail), an Emacs-native application that allows you to do all the things you'd expect of
	an e-mail application. Alternatively, you can use
	<SPAN
CLASS="APPLICATION"
>Rmail</SPAN
>, a slightly less
	sophisticated but built-in e-mail application. Both
	are speech-enabled and discussed in this section. 
	</P
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="VM"
>5.3.1. VM</A
></H3
><P
>	Although VM is Emacs-native, it does not come with Emacs. You
	can download it from the VM homepage at <A
HREF="http://www.wonderworks.com/vm"
TARGET="_top"
>http://www.wonderworks.com/vm</A
>.  This page also contains
	links to the VM user's manual, FAQ, and a list of sites where
	you can download VM, depending on your location. If
	you want to modifying source code, download one of the
	sources; otherwise,
	download one of the binaries as it will be easier to install.
	</P
><P
>	Assuming that you downloaded a binary, it's probably named
	<TT
CLASS="FILENAME"
>vm.elc.gz</TT
>.  To install, follow these steps:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Open an Emacs shell using the command
			<B
CLASS="COMMAND"
>M-x shell</B
>.
			</P
></LI
><LI
><P
>			Unzip
			the file using the command <B
CLASS="COMMAND"
>gunzip
			vm.elc.gz</B
>.  You should be left with a file named
			<TT
CLASS="FILENAME"
>vm.elc</TT
>.
			</P
></LI
><LI
><P
>			Move the file <TT
CLASS="FILENAME"
>vm.elc</TT
> to
			a directory specified in your Emacs load-path,
			such as
			<TT
CLASS="FILENAME"
>/usr/share/emacs/site-lisp/</TT
>.
			</P
></LI
><LI
><P
>			Open your <TT
CLASS="FILENAME"
>.emacs</TT
> file and
			add the following line:
			</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="90%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>			(autoload 'vm "vm" "Start VM on your primary inbox" t)
			</PRE
></FONT
></TD
></TR
></TABLE
></LI
><LI
><P
>			Save and close your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file. Then restart
			Emacs so that the changes will take effect.
			</P
></LI
></OL
><P
>	If you decide to install the source files instead of the binary, you'll
	download <TT
CLASS="FILENAME"
>vm.tar.gz</TT
>.  Installation
	instructions are in the README file included in the download. 
	</P
><P
>	Once you've installed VM, you can start it using the command
	<B
CLASS="COMMAND"
>M-x vm</B
>.
	</P
></DIV
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="RMAIL"
>5.3.2. Rmail</A
></H3
><P
>	An alternative to <SPAN
CLASS="APPLICATION"
>VM</SPAN
> is <SPAN
CLASS="APPLICATION"
>Rmail</SPAN
>, a built-in Emacs mail
	reader. As such, you don't need to download or install
	anything to make it work. To start
	<SPAN
CLASS="APPLICATION"
>Rmail</SPAN
>, use the command <B
CLASS="COMMAND"
>M-x
	rmail</B
>.
	</P
><P
> 	There is a chapter about Rmail in the GNU Emacs
	documentation, available at <A
HREF="  http://www.gnu.org/manual/emacs-20.3/html_chapter/emacs_31.html"
TARGET="_top"
>  http://www.gnu.org/manual/emacs-20.3/html_chapter/emacs_31.html</A
>.
	This chapter includes all the information and commands you might need to
	use Rmail. 
	</P
></DIV
></DIV
></DIV
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