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This is Info file ../info/xemacs-faq.info, produced by Makeinfo version
1.68 from the input file xemacs-faq.texi.
File: xemacs-faq.info, Node: Q4.0.8, Next: Q4.0.9, Prev: Q4.0.7, Up: Subsystems
Remote Mailreading with VM.
===========================
My mailbox lives at the office on a big honkin server. My regular
INBOX lives on my honkin desktop machine. I now can PPP to the office
from home which is far from honking... I'd like to be able to read
mail at home without storing it here and I'd like to use xemacs and VM
at home... Is there a recommended setup?
Joseph J. Nuspl Jr. <nuspl@nvwls.cc.purdue.edu> writes:
There are several ways to do this.
1. Set your display to your home machine and run dxpc or one of
the other X compressors.
2. NFS mount your desktop machine on your home machine and
modify your pop command on your home machine to rsh to your
desktop machine and actually do the pop get's.
3. Run a POP server on your desktop machine as well and do a
sort of two tiered POP get.
William Perry <wmperry@monolith.spry.com> adds:
Or you could run a pop script periodically on your desktop
machine, and just use ange-ftp or NFS to get to your mailbox. I
used to do this all the time back at IU.
File: xemacs-faq.info, Node: Q4.0.9, Next: Q4.0.10, Prev: Q4.0.8, Up: Subsystems
rmail or VM gets an error incorporating new mail.
=================================================
Quoting the XEmacs PROBLEMS file:
rmail and VM get new mail from `/usr/spool/mail/$USER' using a
program called `movemail'. This program interlocks with
`/bin/mail' using the protocol defined by `/bin/mail'.
There are two different protocols in general use. One of them
uses the `flock' system call. The other involves creating a lock
file; `movemail' must be able to write in `/usr/spool/mail' in
order to do this. You control which one is used by defining, or
not defining, the macro `MAIL_USE_FLOCK' in `config.h' or the m-
or s- file it includes.
*IF YOU DON'T USE THE FORM OF INTERLOCKING THAT IS NORMAL ON YOUR
SYSTEM, YOU CAN LOSE MAIL!*
If your system uses the lock file protocol, and fascist
restrictions prevent ordinary users from writing the lock files in
`/usr/spool/mail', you may need to make `movemail' setgid to a
suitable group such as `mail'. You can use these commands (as
root):
chgrp mail movemail
chmod 2755 movemail
If your system uses the lock file protocol, and fascist
restrictions prevent ordinary users from writing the lock files in
`/usr/spool/mail', you may need to make `movemail' setgid to a
suitable group such as `mail'. To do this, use the following
commands (as root) after doing the make install.
chgrp mail movemail
chmod 2755 movemail
Installation normally copies movemail from the build directory to
an installation directory which is usually under `/usr/local/lib'.
The installed copy of `movemail' is usually in the directory
`/usr/local/lib/emacs/VERSION/TARGET'. You must change the group
and mode of the installed copy; changing the group and mode of the
build directory copy is ineffective.
File: xemacs-faq.info, Node: Q4.0.10, Next: Q4.0.11, Prev: Q4.0.9, Up: Subsystems
How do I make VM stay in a single frame?
========================================
John S Cooper <John.Cooper@Eng.Sun.COM> writes:
; Don't use multiple frames
(setq vm-frame-per-composition nil)
(setq vm-frame-per-folder nil)
(setq vm-frame-per-edit nil)
(setq vm-frame-per-summary nil)
File: xemacs-faq.info, Node: Q4.0.11, Next: Q4.0.12, Prev: Q4.0.10, Up: Subsystems
How do I make VM or mh-e display graphical smilies?
===================================================
For mh-e use the following:
(add-hook 'mh-show-mode-hook '(lambda () (smiley-region (point-min)
(point-max))))
For vm use the following:
(require 'messagexmas)
(require 'smiley)
(add-hook 'vm-select-message-hook '(lambda () (smiley-region (point-min)
(point-max))))
For tm use the following:
(autoload 'smiley-buffer "smiley" nil t)
(add-hook 'mime-viewer/plain-text-preview-hook 'smiley-buffer)
File: xemacs-faq.info, Node: Q4.0.12, Next: Q4.1.1, Prev: Q4.0.11, Up: Subsystems
Customization of VM not covered in the manual, or here.
=======================================================
giacomo boffi <boffi@hp735.stru.polimi.it> writes:
The meta-answer is to look into the file `vm-vars.el', in the vm
directory of the lisp library.
`vm-vars.el' contains, initializes and carefully describes, with
examples of usage, the plethora of user options that *fully*
control VM's behavior.
Enter vm-vars, `forward-search' for toolbar, find the variables
that control the toolbar placement, appearance, existence, copy to
your `.emacs' or `.vm' and modify according to the detailed
instructions.
The above also applies to all the various features of VM: search
for some keywords, maybe the first you conjure isn't appropriate,
find the appropriate variables, copy and experiment.
File: xemacs-faq.info, Node: Q4.1.1, Next: Q4.1.2, Prev: Q4.0.12, Up: Subsystems
What is W3?
===========
W3 is an advanced graphical browser written in Emacs lisp that runs
on XEmacs. It has full support for cascaded style sheets, and more...
It has a home web page at
<URL:http://www.cs.indiana.edu/elisp/w3/docs.html>.
File: xemacs-faq.info, Node: Q4.1.2, Next: Q4.1.3, Prev: Q4.1.1, Up: Subsystems
How do I run W3 from behind a firewall?
=======================================
There is a long, well-written, detailed section in the W3 manual that
describes how to do this. Look in the section entitled "Firewalls".
File: xemacs-faq.info, Node: Q4.1.3, Next: Q4.2.1, Prev: Q4.1.2, Up: Subsystems
Is it true that W3 supports style sheets and tables?
====================================================
Yes, and much more. W3, as distributed with the latest XEmacs is a
full-featured web browser.
File: xemacs-faq.info, Node: Q4.2.1, Next: Q4.2.2, Prev: Q4.1.3, Up: Subsystems
GNUS, (ding) Gnus, Gnus 5, September Gnus, Red Gnus, Quassia Gnus, argh!
========================================================================
The Gnus numbering issues are not meant for mere mortals to know
them. If you feel you *must* enter the muddy waters of Gnus, visit the
excellent FAQ, maintained by Justin Sheehy, at:
<URL:http://www.ccs.neu.edu/software/gnus/>
See also Gnus home page
<URL:http://www.gnus.org/>
File: xemacs-faq.info, Node: Q4.2.2, Next: Q4.2.3, Prev: Q4.2.1, Up: Subsystems
This question intentionally left blank.
=======================================
Obsolete question, left blank to avoid renumbering.
File: xemacs-faq.info, Node: Q4.2.3, Next: Q4.2.4, Prev: Q4.2.2, Up: Subsystems
How do I make Gnus stay within a single frame?
==============================================
The toolbar code to start Gnus opens the new frame--and it's a
feature rather than a bug. If you don't like it, but would still like
to click on the seemly icon, use the following code:
(defun toolbar-news ()
(gnus))
It will redefine the callback function of the icon to just call
`gnus', without all the fancy frame stuff.
File: xemacs-faq.info, Node: Q4.2.4, Next: Q4.3.1, Prev: Q4.2.3, Up: Subsystems
How do I customize the From: line?
==================================
How do I change the `From:' line? I have set gnus-user-from-line to
Gail Gurman <gail.gurman@sybase.com>, but XEmacs Gnus doesn't use it.
Instead it uses Gail Mara Gurman <gailg@deall> and then complains that
it's incorrect. Also, as you perhaps can see, my Message-ID is screwy.
How can I change that?
Lars Magne Ingebrigtsen <larsi@aegir.ifi.uio.no> writes:
Set `user-mail-address' to `gail.gurman@sybase.com' or
`mail-host-address' to `sybase.com'.
File: xemacs-faq.info, Node: Q4.3.1, Next: Q4.3.2, Prev: Q4.2.4, Up: Subsystems
How can I read and/or compose MIME messages?
============================================
One answer is `tra-vm-mime'. You may find it at
<URL:http://lenkkari.cs.tut.fi/~tra/software/tra-vm-mime.el>.
Another possibility is RMIME. You may find RMIME at
<URL:http://www.cinti.net/~rmoody/rmime/index.html>.
You probably want to use the Tools for MIME (tm). *Note Q4.3.2:: for
details.
Trey Jackson <trey@cs.berkeley.edu> has an Emacs & MIME web page at
<URL:http://bmrc.berkeley.edu/~trey/emacs/mime.html>.
File: xemacs-faq.info, Node: Q4.3.2, Next: Q4.3.3, Prev: Q4.3.1, Up: Subsystems
What is TM and where do I get it?
=================================
TM stands for "Tools for MIME" and not Tiny MIME. TM integrates
with all major XEmacs packages like Gnus (all flavors), VM, MH-E, and
mailcrypt. It provides totally transparent and trouble-free MIME
support. When appropriate a message will be decoded in place in an
XEmacs buffer.
TM now comes as a package with XEmacs 19.16 and XEmacs 20.2.
TM was written by MORIOKA Tomohiko <morioka@jaist.ac.jp> and
KOBAYASHI Shuhei <shuhei-k@jaist.ac.jp>. It is based on the work of
UMEDA Masanobu <umerin@mse.kyutech.ac.jp>, the original writer of GNUS.
The following information is from the `README':
"tm" is a MIME package for GNU Emacs. tm has following functions:
* MIME style multilingual header.
* MIME message viewer (mime/viewer-mode).
* MIME message composer (mime/editor-mode).
* MIME extenders for mh-e, GNUS, RMAIL and VM.
tm is available from following anonymous ftp sites:
* <URL:ftp://ftp.jaist.ac.jp/pub/GNU/elisp/mime/> (Japan).
* <URL:ftp://ftp.nis.co.jp/pub/gnu/emacs-lisp/tm/> (Japan).
* <URL:ftp://ftp.nisiq.net/pub/gnu/emacs-lisp/tm/> (US).
* <URL:ftp://ftp.miranova.com/pub/gnus/jaist.ac.jp/> (US).
* <URL:ftp://ftp.unicamp.br/pub/mail/mime/tm/> (Brasil).
* <URL:ftp://ftp.th-darmstadt.de/pub/editors/GNU-Emacs/lisp/mime/>
(Germany).
* <URL:ftp://ftp.tnt.uni-hannover.de/pub/editors/xemacs/contrib/>
(Germany).
Don't let the installation procedure & instructions stop you from
trying this package out--it's much simpler than it looks, and once
installed, trivial to use.
File: xemacs-faq.info, Node: Q4.3.3, Next: Q4.3.4, Prev: Q4.3.2, Up: Subsystems
Why isn't this `movemail' program working?
==========================================
Ben Wing <ben@666.com> writes:
It wasn't chown'ed/chmod'd correctly.
File: xemacs-faq.info, Node: Q4.3.4, Next: Q4.3.5, Prev: Q4.3.3, Up: Subsystems
Movemail is also distributed by Netscape? Can that cause problems?
===================================================================
Steve Baur <steve@altair.xemacs.org> writes:
Yes. Always use the movemail installed with your XEmacs. Failure
to do so can result in lost mail.
Please refer to Jamie Zawinski's <jwz@netscape.com> notes at
<URL:http://home.netscape.com/eng/mozilla/2.0/relnotes/demo/movemail.html>.
In particular, this document will show you how to make Netscape use the
version of movemail configured for your system by the person who built
XEmacs.
File: xemacs-faq.info, Node: Q4.3.5, Next: Q4.4.1, Prev: Q4.3.4, Up: Subsystems
Where do I find pstogif (required by tm)?
=========================================
pstogif is part of the latex2html package.
Jan Vroonhof <vroonhof@math.ethz.ch> writes:
latex2html is best found at the CTAN hosts and their mirrors in
`tex-archive/support/latex2html'.
CTAN hosts are:
* <URL:ftp://ftp.tex.ac.uk/tex-archive/support/latex2html/>.
* <URL:ftp://ftp.dante.de/tex-archive/support/latex2html/>.
There is a good mirror at ftp.cdrom.com;
<URL:ftp://ftp.cdrom.com/pub/tex/ctan/support/latex2html/>.
File: xemacs-faq.info, Node: Q4.4.1, Next: Q4.5.1, Prev: Q4.3.5, Up: Subsystems
What is SPARCworks, EOS, and WorkShop?
======================================
John Turner <turner@lanl.gov> writes:
SPARCworks is SunSoft's development environment, comprising
compilers (C, C++, FORTRAN 77, Fortran 90, Ada, and Pascal), a
debugger, and other tools such as TeamWare (for configuration
management), MakeTool, etc.
See <URL:http://www.sun.com/sunsoft/Developer-products/> for more
info.
EOS stands for "Era on SPARCworks", but I don't know what Era stands
for.
EOS is the integration of XEmacs with the SPARCworks debugger. It
allows one to use an XEmacs frame to view code (complete with
fontification, etc.), set breakpoints, print variables, etc., while
using the SPARCworks debugger. It works very well and I use it all the
time.
Chuck Thompson <cthomp@xemacs.org> writes:
Era stood for "Emacs Rewritten Again". It was what we were
calling the modified version of Lucid Emacs for Sun when I was
dragged, er, allowed to work on this wonderful editor.
Martin Buchholz <Martin.Buchholz@sun.com> writes:
EOS is being replaced with a new graphical development environment
called Sun WorkShop, which is currently (07/96) in Alpha Test.
For more details, check out
<URL:http://www.sun.com/sunsoft/Products/Developer-products/programs.html>.
File: xemacs-faq.info, Node: Q4.5.1, Next: Q4.6.1, Prev: Q4.4.1, Up: Subsystems
What is/was Energize?
=====================
David N Gray <gray@meteor.harlequin.com> writes:
The files in `lisp/energize' are to enable Emacs to interface with
the "Energize Programming System", a C and C++ development
environment, which was a product of Lucid, Inc. Tragically, Lucid
went out of business in 1994, so although Energize is still a
great system, if you don't already have it, there isn't any way to
get it now. (Unless you happen to be in Japan; INS Engineering
may still be selling it there. Tartan bought the rights to sell
it in the rest of the world, but never did so.)
File: xemacs-faq.info, Node: Q4.6.1, Next: Q4.7.1, Prev: Q4.5.1, Up: Subsystems
What is Infodock?
=================
InfoDock is an integrated productivity toolset, mainly aimed at
technical people. It is developed and supported by InfoDock
Associates, a firm that offers custom support and development for
InfoDock, XEmacs and GNU Emacs. (http://www.infodock.com,
<info@infodock.com>, +1 408 243 3300).
InfoDock is built atop the XEmacs variant of GNU Emacs and so has
all of the power of Emacs, but with an easier to use and more
comprehensive menu-based user interface. The bottom portion of this
text describes how it differs from XEmacs and GNU Emacs from the Free
Software Foundation.
InfoDock is aimed at people who want a free, turn-key productivity
environment. Although InfoDock is customizable, it is not intended for
people who like basic versions of Emacs which need to be customized
extensively for local use; standard Emacs distributions are better for
such uses. InfoDock is for those people who want a complete,
pre-customized environment in one package, which they need not touch
more than once or twice a year to update to new revisions.
InfoDock is pre-built for SPARC SunOS/Solaris systems, PA-RISC HP-UX,
and Intel Linux systems. It is intended for use on a color display,
although most features will work on monochrome monitors. Simply unpack
InfoDock according to the instructions in the ID-INSTALL file and you
are ready to run.
The InfoDock Manual is concise, yet sufficient as a user guide for
users who have never used an Emacs-type editor before. For users who
are already familiar with Emacs, it supplements the information in the
GNU Emacs Manual.
InfoDock menus are much more extensive and more mature than standard
Emacs menus. Each menu offers a `Manual' item which displays
documentation associated with the menu's functions.
Four types of menubars are provided:
1. An extensive menubar providing access to global InfoDock commands.
2. Mode-specific menubars tailored to the current major mode.
3. A simple menubar for basic editing to help novices get started
with InfoDock.
4. The standard XEmacs menubar.
Most modes also include mode-specific popup menus. Additionally,
region and rectangle popup menus are included.
`Hyperbole', the everyday information manager, is a core part of
InfoDock. This provides context-sensitive mouse keys, a rolodex-type
contact manager, programmable hypertext buttons, and an autonumbered
outliner with embedded hyperlink anchors.
The `OO-Browser', a multi-language object-oriented code browser, is a
standard part of InfoDock.
InfoDock saves a more extensive set of user options than other Emacs
versions.
InfoDock inserts a useful file header in many file types, showing the
author, summary, and last modification time of each file. A summary
program can then be used to summarize all of the files in a directory,
for easy MANIFEST file creation.
Your working set of buffers is automatically saved and restored (if
you answer yes to a prompt) between InfoDock sessions.
Refined color choices for code highlighting are provided for both
dark and light background display frames.
The `C-z' key prefix performs frame-based commands which parallel the
`C-x' key prefix for window-based commands.
The Smart Menu system is included for producing command menus on dumb
terminals.
Lisp libraries are better categorized according to function.
Extensions and improvements to many areas of Emacs are included,
such as: paragraph filling, mail reading with Rmail, shell handling,
outlining, code highlighting and browsing, and man page browsing.
InfoDock questions, answers and discussion should go to the mail list
`infodock@infodock.com'. Use `infodock-request@infodock.com' to be
added or removed from the list. Always include your InfoDock version
number when sending help requests.
InfoDock is available across the Internet via anonymous FTP. To get
it, first move to a directory into which you want the InfoDock archive
files placed. We will call this <DIST-DIR>.
cd <DIST-DIR>
Ftp to ftp.xemacs.org (Internet Host ID = 128.174.252.16):
prompt> ftp ftp.xemacs.org
Login as `anonymous' with your own <user-id>@<site-name> as a
password.
Name (ftp.xemacs.org): anonymous
331 Guest login ok, send your complete e-mail address as password.
Password: -<your-user-id@your-domain>
230 Guest login ok, access restrictions apply.
Move to the location of the InfoDock archives:
ftp> cd pub/infodock
Set your transfer mode to binary:
ftp> bin
200 Type set to I.
Turn off prompting:
ftp> prompt
Interactive mode off.
Retrieve the InfoDock archives that you want, either by using a `get
<file>' for each file you want or by using the following to get a
complete distribution, including all binaries:
ftp> mget ID-INSTALL
ftp> mget id-*
Close the FTP connection:
ftp> quit
221 Goodbye.
Read the `ID-INSTALL' file which you just retrieved for step-by-step
installation instructions.
File: xemacs-faq.info, Node: Q4.7.1, Next: Q4.7.2, Prev: Q4.6.1, Up: Subsystems
What is AUC TeX? Where do you get it?
======================================
AUC TeX is a package written by Per Abrahamsen <abraham@dina.kvl.dk>.
Starting with XEmacs 19.16, AUC TeX is bundled with XEmacs. The
following information is from the `README' and website.
AUC TeX is an extensible package that supports writing and formatting
TeX files for most variants of GNU Emacs. Many different macro packages
are supported, including AMS TeX, LaTeX, and TeXinfo.
The most recent version is always available by ftp at
<URL:ftp://sunsite.auc.dk/packages/auctex/auctex.tar.gz>.
In case you don't have access to anonymous ftp, you can get it by an
email request to <URL:mailto:ftpmail@decwrl.dec.com>.
WWW users may want to check out the AUC TeX page at
<URL:http://sunsite.auc.dk/auctex/>.
File: xemacs-faq.info, Node: Q4.7.2, Next: Q4.7.3, Prev: Q4.7.1, Up: Subsystems
Are there any Emacs Lisp Spreadsheets?
======================================
Yes. Check out "dismal" (which stands for Dis' Mode Ain't Lotus) at
<URL:ftp://cs.nyu.edu/pub/local/fox/dismal/>.
File: xemacs-faq.info, Node: Q4.7.3, Next: Q4.7.4, Prev: Q4.7.2, Up: Subsystems
Byte compiling AUC TeX on XEmacs 19.14.
=======================================
Georges Brun-Cottan <bruncott@dormeur.inria.fr> writes:
When byte compiling auxtex-9.4g, you must use the command:
xemacs -batch -l lpath.el
File: xemacs-faq.info, Node: Q4.7.4, Next: Q4.7.5, Prev: Q4.7.3, Up: Subsystems
Problems installing AUC TeX.
============================
Jan Vroonhof <vroonhof@math.ethz.ch> writes:
AUC TeX works fine on both stock Emacs and XEmacs has been doing
so for a very very long time. This is mostly due to the work of
Per Abrahamsen <abraham@dina.kvl.dk> (clap clap) in particular his
`easymenu' package. Which leads to what is probably the problem...
Most problems with AUC TeX are one of two things:
* The TeX-lisp-directory in `tex-site.el' and the makefile don't
match.
Fix: make sure you configure AUC TeX properly *before* installing.
* You have an old version of easymenu.el in your path.
Fix: use `locate-library' and remove old versions to make sure it
*only* finds the one that came with XEmacs.
File: xemacs-faq.info, Node: Q4.7.5, Prev: Q4.7.4, Up: Subsystems
Is there a reason for an Emacs package not to be included in XEmacs?
====================================================================
The reason for an Emacs package not to be included in XEmacs is
usually one or more of the following:
1. The package has not been ported to XEmacs. This will typically
happen when it uses GNU-Emacs-specific features, which make it
fail under XEmacs.
Porting a package to XEmacs can range from a trivial amount of
change to a partial or full rewrite. Fortunately, the authors of
modern packages usually choose to support both Emacsen themselves.
2. The package has been decided not to be appropriate for XEmacs. It
may have an equivalent or better replacement within XEmacs, in
which case the developers may choose not to burden themselves with
supporting an additional package.
Each package bundled with XEmacs means more work for the
maintainers, whether they want it or not. If you are ready to
take over the maintainence responsibilities for the package you
port, be sure to say so - we will more likely include it.
3. The package simply hasn't been noted by the XEmacs development. If
that's the case, the messages like yours are very useful for
attracting our attention.
4. The package was noted by the developers, but they simply haven't
yet gotten around to including/porting it. Wait for the next
release or, even better, offer your help. It will be gladly
accepted and appreciated.
File: xemacs-faq.info, Node: Miscellaneous, Next: Current Events, Prev: Subsystems, Up: Top
The Miscellaneous Stuff
***********************
This is part 5 of the XEmacs Frequently Asked Questions list. This
section is devoted to anything that doesn't fit neatly into the other
sections.
* Menu:
Major & Minor Modes:
* Q5.0.1:: How can I do source code highlighting using font-lock?
* Q5.0.2:: I do not like cc-mode. How do I use the old c-mode?
* Q5.0.3:: How do I get `More' Syntax Highlighting on by default?
* Q5.0.4:: How can I enable auto-indent?
* Q5.0.5:: How can I get XEmacs to come up in text/auto-fill mode by default?
* Q5.0.6:: How do I start up a second shell buffer?
* Q5.0.7:: Telnet from shell filters too much.
* Q5.0.8:: Why does edt emulation not work?
* Q5.0.9:: How can I emulate VI and use it as my default mode?
* Q5.0.10:: [This question intentionally left blank]
* Q5.0.11:: Filladapt doesn't work in 19.15?
* Q5.0.12:: How do I disable gnuserv from opening a new frame?
* Q5.0.13:: How do I start gnuserv so that each subsequent XEmacs is a client?
* Q5.0.14:: Strange things are happening in Shell Mode.
* Q5.0.15:: Where do I get the latest CC Mode?
* Q5.0.16:: I find auto-show-mode disconcerting. How do I turn it off?
* Q5.0.17:: How can I get two instances of info?
* Q5.0.18:: I upgraded to XEmacs 19.14 and gnuserv stopped working
* Q5.0.19:: Is there something better than LaTeX mode?
Emacs Lisp Programming Techniques:
* Q5.1.1:: The difference in key sequences between XEmacs and GNU Emacs?
* Q5.1.2:: Can I generate "fake" keyboard events?
* Q5.1.3:: Could you explain `read-kbd-macro' in more detail?
* Q5.1.4:: What is the performance hit of `let'?
* Q5.1.5:: What is the recommended use of `setq'?
* Q5.1.6:: What is the typical misuse of `setq'?
* Q5.1.7:: I like the the `do' form of cl, does it slow things down?
* Q5.1.8:: I like recursion, does it slow things down?
* Q5.1.9:: How do I put a glyph as annotation in a buffer?
* Q5.1.10:: `map-extents' won't traverse all of my extents!
Sound:
* Q5.2.1:: How do I turn off the sound?
* Q5.2.2:: How do I get funky sounds instead of a boring beep?
* Q5.2.3:: What's NAS, how do I get it?
* Q5.2.4:: Sunsite sounds don't play.
Miscellaneous:
* Q5.3.1:: How do you make XEmacs indent CL if-clauses correctly?
* Q5.3.2:: Fontifying hangs when editing a postscript file.
* Q5.3.3:: How can I print WYSIWYG a font-locked buffer?
* Q5.3.4:: Getting `M-x lpr' to work with postscript printer.
* Q5.3.5:: How do I specify the paths that XEmacs uses for finding files?
* Q5.3.6:: [This question intentionally left blank]
* Q5.3.7:: Can I have the end of the buffer delimited in some way?
* Q5.3.8:: How do I insert today's date into a buffer?
* Q5.3.9:: Are only certain syntactic character classes available for abbrevs?
* Q5.3.10:: How can I get those oh-so-neat X-Face lines?
* Q5.3.11:: How do I add new Info directories?
* Q5.3.12:: What do I need to change to make printing work?
File: xemacs-faq.info, Node: Q5.0.1, Next: Q5.0.2, Prev: Miscellaneous, Up: Miscellaneous
How can I do source code highlighting using font-lock?
======================================================
For most modes, font-lock is already set up and just needs to be
turned on. This can be done by `M-x font-lock-mode', or by having
XEmacs automatically start it by adding lines like:
(add-hook 'emacs-lisp-mode-hook 'turn-on-font-lock)
(add-hook 'dired-mode-hook 'turn-on-font-lock)
to your `.emacs'. See the file `etc/sample.emacs' for more examples.
See also `Syntax Highlighting' from the `Options' menu. Remember to
save options.
File: xemacs-faq.info, Node: Q5.0.2, Next: Q5.0.3, Prev: Q5.0.1, Up: Miscellaneous
I do not like cc-mode. How do I use the old c-mode?
====================================================
Well, first off, consider if you really want to do this. cc-mode is
much more powerful than the old c-mode. If you're having trouble
getting your old offsets to work, try using `c-set-offset' instead.
You might also consider using the package `cc-compat'.
But, if you still insist, add the following lines to your `.emacs':
(fmakunbound 'c-mode)
(makunbound 'c-mode-map)
(fmakunbound 'c++-mode)
(makunbound 'c++-mode-map)
(makunbound 'c-style-alist)
(load-library "old-c-mode")
(load-library "old-c++-mode")
This must be done before any other reference is made to either
c-mode or c++-mode.
File: xemacs-faq.info, Node: Q5.0.3, Next: Q5.0.4, Prev: Q5.0.2, Up: Miscellaneous
How do I get `More' Syntax Highlighting on by default?
======================================================
Use the following code in your `.emacs':
(setq-default font-lock-maximum-decoration t)
In versions of XEmacs prior to 19.14, you had to use a kludgy
solution like this:
(setq c-font-lock-keywords c-font-lock-keywords-2
c++-font-lock-keywords c++-font-lock-keywords-2
lisp-font-lock-keywords lisp-font-lock-keywords-2)
It will work for C, C++ and Lisp.
See also `Syntax Highlighting' from the `Options' menu. Remember to
save options.
File: xemacs-faq.info, Node: Q5.0.4, Next: Q5.0.5, Prev: Q5.0.3, Up: Miscellaneous
How can I enable auto-indent?
=============================
Put the following line in your `.emacs':
(setq indent-line-function 'indent-relative-maybe)
If you want to get fancy, try the `filladapt' package available
standard with XEmacs. Put this into your `.emacs':
(require 'filladapt)
(add-hook 'text-mode-hook 'turn-on-filladapt-mode)
;;; and others ...
You can customize filling and adaptive filling with Customize.
Select from the `Options' menu
`Customize->Emacs->->Editing->Fill->Fill...' or type `M-x customize
RET fill RET'.
Note that well-behaving text-lookalike modes will run
`text-mode-hook' by default (e.g. that's what Message does). For the
nasty ones, you'll have to provide the `add-hook's yourself.
Please note that the `fa-extras' package is no longer useful.
File: xemacs-faq.info, Node: Q5.0.5, Next: Q5.0.6, Prev: Q5.0.4, Up: Miscellaneous
How can I get XEmacs to come up in text/auto-fill mode by default?
==================================================================
Try the following lisp in your `.emacs':
(setq default-major-mode 'text-mode)
(setq text-mode-hook 'turn-on-auto-fill)
*WARNING*: note that changing the value of `default-major-mode' from
`fundamental-mode' can break a large amount of built-in code that
expects newly created buffers to be in `fundamental-mode'. (Changing
from `fundamental-mode' to `text-mode' might not wreak too much havoc,
but changing to something more exotic like a lisp-mode would break many
Emacs packages).
Note that Emacs by default starts up in buffer `*scratch*' in
`initial-major-mode', which defaults to `lisp-interaction-mode'. Thus
adding the following form to your Emacs init file will cause the
initial `*scratch*' buffer to be put into auto-fill'ed `text-mode':
(setq initial-major-mode
(lambda ()
(text-mode)
(turn-on-auto-fill)))
Note that after your init file is loaded, if
`inhibit-startup-message' is `nil' (the default) and the startup buffer
is `*scratch*' then the startup message will be inserted into
`*scratch*'; it will be removed after a timeout by erasing the entire
`*scratch*' buffer. Keep in mind this default usage of `*scratch*' if
you desire any prior manipulation of `*scratch*' from within your Emacs
init file. In particular, anything you insert into `*scratch*' from
your init file will be later erased. Also, if you change the mode of
the `*scratch*' buffer, be sure that this will not interfere with
possible later insertion of the startup message (e.g. if you put
`*scratch*' into a nonstandard mode that has automatic font lock rules,
then the startup message might get fontified in a strange foreign
manner, e.g. as code in some programming language).
File: xemacs-faq.info, Node: Q5.0.6, Next: Q5.0.7, Prev: Q5.0.5, Up: Miscellaneous
How do I start up a second shell buffer?
========================================
In the `*shell*' buffer:
M-x rename-buffer RET *shell-1* RET
M-x shell RET
This will then start a second shell. The key is that no buffer named
`*shell*' can exist. It might be preferable to use `M-x
rename-uniquely' to rename the `*shell*' buffer instead of `M-x
rename-buffer'.
File: xemacs-faq.info, Node: Q5.0.7, Next: Q5.0.8, Prev: Q5.0.6, Up: Miscellaneous
Telnet from shell filters too much
==================================
I'm using the Emacs `M-x shell' function, and I would like to invoke
and use a telnet session within it. Everything works fine except that
now all `^M''s are filtered out by Emacs. Fixes?
Use `M-x rsh' or `M-x telnet' to open remote sessions rather than
doing rsh or telnet within the local shell buffer.
File: xemacs-faq.info, Node: Q5.0.8, Next: Q5.0.9, Prev: Q5.0.7, Up: Miscellaneous
Why does edt emulation not work?
================================
We don't know, but you can use tpu-edt emulation instead, which works
fine and is a little fancier than the standard edt emulation. To do
this, add the following line to your `.emacs':
(tpu-edt)
If you don't want it to replace `C-h' with an edt-style help menu
add this as well:
(global-set-key [(control h)] 'help-for-help)
File: xemacs-faq.info, Node: Q5.0.9, Next: Q5.0.10, Prev: Q5.0.8, Up: Miscellaneous
How can I emulate VI and use it as my default mode?
===================================================
Our recommended VI emulator is viper. To make viper-mode the default,
add this to your `.emacs':
(viper-mode)
Michael Kifer <kifer@CS.SunySB.EDU> writes:
This should be added as close to the top of `.emacs' as you can get
it, otherwise some minor modes may not get viper-ized.
File: xemacs-faq.info, Node: Q5.0.10, Next: Q5.0.11, Prev: Q5.0.9, Up: Miscellaneous
[This question intentionally left blank]
========================================
Obsolete question, left blank to avoid renumbering
File: xemacs-faq.info, Node: Q5.0.11, Next: Q5.0.12, Prev: Q5.0.10, Up: Miscellaneous
Filladapt doesn't work in 19.15
===============================
Filladapt 2.x is included in 19.15. In it filladapt is now a minor
mode and minor modes are traditionally off by default. The following
added to your `.emacs' will turn it on for all buffers:
(setq-default filladapt-mode t)
Use `turn-on-filladapt-mode' to turn Filladapt on in particular
major modes, like this:
(add-hook 'text-mode-hook 'turn-on-filladapt-mode)
File: xemacs-faq.info, Node: Q5.0.12, Next: Q5.0.13, Prev: Q5.0.11, Up: Miscellaneous
How do I disable gnuserv from opening a new frame?
==================================================
If you set the `gnuserv-frame' variable to the frame that should be
used to display buffers that are pulled up, a new frame will not be
created. For example, you could put
(setq gnuserv-frame (selected-frame))
early on in your `.emacs', to ensure that the first frame created is
the one used for your gnuserv buffers.
Starting in 19.15, there is an option to set the gnuserv target to
the current frame. See `Options->"Other Window" Location->Make current
frame gnuserv target'
File: xemacs-faq.info, Node: Q5.0.13, Next: Q5.0.14, Prev: Q5.0.12, Up: Miscellaneous
How do I start gnuserv so that each subsequent XEmacs is a client?
==================================================================
Put the following in your `.emacs' file to start the server:
(gnuserv-start)
Start your first XEmacs as usual. After that, you can do:
gnuclient randomfilename
from the command line to get your existing XEmacs process to open a
new frame and visit randomfilename in that window. When you're done
editing randomfilename, hit `C-x #' to kill the buffer and get rid of
the frame.
File: xemacs-faq.info, Node: Q5.0.14, Next: Q5.0.15, Prev: Q5.0.13, Up: Miscellaneous
Strange things are happening in Shell Mode.
===========================================
Sometimes (i.e. it's not repeatable, and I can't work out why it
happens) when I'm typing into shell mode, I hit return and only a
portion of the command is given to the shell, and a blank prompt is
returned. If I hit return again, the rest of the previous command is
given to the shell.
Martin Buchholz <Martin.Buchholz@sun.com> writes:
There is a known problem with interaction between `csh' and the
`filec' option and XEmacs. You should add the following to your
`.cshrc':
if ( "$TERM" == emacs || "$TERM" == unknown ) unset filec
File: xemacs-faq.info, Node: Q5.0.15, Next: Q5.0.16, Prev: Q5.0.14, Up: Miscellaneous
Where do I get the latest CC Mode?
==================================
Barry A. Warsaw <bwarsaw@cnri.reston.va.us> writes:
This can be had from <URL:http://www.python.org/ftp/emacs/>.
File: xemacs-faq.info, Node: Q5.0.16, Next: Q5.0.17, Prev: Q5.0.15, Up: Miscellaneous
I find auto-show-mode disconcerting. How do I turn it off?
===========================================================
`auto-show-mode' controls whether or not a horizontal scrollbar
magically appears when a line is too long to be displayed. This is
enabled by default. To turn it off, put the following in your `.emacs':
(setq auto-show-mode nil)
(setq-default auto-show-mode nil)
File: xemacs-faq.info, Node: Q5.0.17, Next: Q5.0.18, Prev: Q5.0.16, Up: Miscellaneous
How can I get two instances of info?
====================================
You can't. The info package does not provide for multiple info
buffers.
File: xemacs-faq.info, Node: Q5.0.18, Next: Q5.0.19, Prev: Q5.0.17, Up: Miscellaneous
I upgraded to XEmacs 19.14 and gnuserv stopped working.
=======================================================
Mark Daku <daku@nortel.ca> writes:
It turns out I was using an older version of gnuserv. The
installation didn't put the binary into the public bin directory.
It put it in `lib/xemacs-19.14/hppa1.1-hp-hpux9.05/gnuserv'.
Shouldn't it have been put in `bin/hppa1.1-hp-hpux9.0'?
File: xemacs-faq.info, Node: Q5.0.19, Next: Q5.1.1, Prev: Q5.0.18, Up: Miscellaneous
Is there something better than LaTeX mode?
==========================================
David Kastrup <dak@fsnif.neuroinformatik.ruhr-uni-bochum.de> writes:
The standard TeX modes leave much to be desired, and are somewhat
leniently maintained. Serious TeX users use AUC TeX (*Note
Q4.7.1::).
File: xemacs-faq.info, Node: Q5.1.1, Next: Q5.1.2, Prev: Q5.0.19, Up: Miscellaneous
What is the difference in key sequences between XEmacs and GNU Emacs?
=====================================================================
Erik Naggum <erik@naggum.no> writes;
Emacs has a legacy of keyboards that produced characters with
modifier bits, and therefore map a variety of input systems into
this scheme even today. XEmacs is instead optimized for X events.
This causes an incompatibility in the way key sequences are
specified, but both Emacs and XEmacs will accept a key sequence as
a vector of lists of modifiers that ends with a key, e.g., to bind
`M-C-a', you would say `[(meta control a)]' in both Emacsen.
XEmacs has an abbreviated form for a single key, just (meta
control a). Emacs has an abbreviated form for the Control and the
Meta modifiers to string-characters (the ASCII characters), as in
`\M-\C-a'. XEmacs users need to be aware that the abbreviated
form works only for one-character key sequences, while Emacs users
need to be aware that the string-character is rather limited.
Specifically, the string-character can accomodate only 256
different values, 128 of which have the Meta modifier and 128 of
which have not. In each of these blocks, only 32 characters have
the Control modifier. Whereas `[(meta control A)]' differs from
`[(meta control a)]' because the case differs, `\M-\C-a' and
`\M-\C-A' do not. Programmers are advised to use the full common
form, both because it is more readable and less error-prone, and
because it is supported by both Emacsen.
Another (even safer) way to be sure of the key-sequences is to use
the `read-kbd-macro' function, which takes a string like `C-c <up>',
and converts it to the internal key representation of the Emacs you
use. The function is available both on XEmacs and GNU Emacs.
File: xemacs-faq.info, Node: Q5.1.2, Next: Q5.1.3, Prev: Q5.1.1, Up: Miscellaneous
Can I generate "fake" keyboard events?
======================================
I wonder if there is an interactive function that can generate
"fake" keyboard events. This way, I could simply map them inside
XEmacs.
This seems to work:
(defun cg--generate-char-event (ch)
"Generate an event, as if ch has been typed"
(dispatch-event (character-to-event ch)))
;; Backspace and Delete stuff
(global-set-key [backspace]
(lambda () (interactive) (cg--generate-char-event 127)))
(global-set-key [unknown_keysym_0x4]
(lambda () (interactive) (cg--generate-char-event 4)))
File: xemacs-faq.info, Node: Q5.1.3, Next: Q5.1.4, Prev: Q5.1.2, Up: Miscellaneous
Could you explain `read-kbd-macro' in more detail?
==================================================
The `read-kbd-macro' function returns the internal Emacs
representation of a human-readable string (which is its argument).
Thus:
(read-kbd-macro "C-c C-a")
=> [(control ?c) (control ?a)]
(read-kbd-macro "C-c C-. <up>")
=> [(control ?c) (control ?.) up]
In GNU Emacs the same forms will be evaluated to what GNU Emacs
understands internally--the sequences `"\C-x\C-c"' and `[3 67108910
up]', respectively.
The exact "human-readable" syntax is defined in the docstring of
`edmacro-mode'. I'll repeat it here, for completeness.
Format of keyboard macros during editing:
Text is divided into "words" separated by whitespace. Except for
the words described below, the characters of each word go directly
as characters of the macro. The whitespace that separates words is
ignored. Whitespace in the macro must be written explicitly, as in
`foo SPC bar RET'.
* The special words `RET', `SPC', `TAB', `DEL', `LFD', `ESC',
and `NUL' represent special control characters. The words
must be written in uppercase.
* A word in angle brackets, e.g., `<return>', `<down>', or
`<f1>', represents a function key. (Note that in the standard
configuration, the function key `<return>' and the control key
`RET' are synonymous.) You can use angle brackets on the
words `RET', `SPC', etc., but they are not required there.
* Keys can be written by their ASCII code, using a backslash
followed by up to six octal digits. This is the only way to
represent keys with codes above \377.
* One or more prefixes `M-' (meta), `C-' (control), `S-'
(shift), `A-' (alt), `H-' (hyper), and `s-' (super) may
precede a character or key notation. For function keys, the
prefixes may go inside or outside of the brackets: `C-<down>'
== `<C-down>'. The prefixes may be written in any order:
`M-C-x' == `C-M-x'.
Prefixes are not allowed on multi-key words, e.g., `C-abc',
except that the Meta prefix is allowed on a sequence of
digits and optional minus sign: `M--123' == `M-- M-1 M-2 M-3'.
* The `^' notation for control characters also works: `^M' ==
`C-m'.
* Double angle brackets enclose command names: `<<next-line>>'
is shorthand for `M-x next-line RET'.
* Finally, `REM' or `;;' causes the rest of the line to be
ignored as a comment.
Any word may be prefixed by a multiplier in the form of a decimal
number and `*': `3*<right>' == `<right> <right> <right>', and
`10*foo' == `foofoofoofoofoofoofoofoofoofoo'.
Multiple text keys can normally be strung together to form a word,
but you may need to add whitespace if the word would look like one
of the above notations: `; ; ;' is a keyboard macro with three
semicolons, but `;;;' is a comment. Likewise, `\ 1 2 3' is four
keys but `\123' is a single key written in octal, and `< right >'
is seven keys but `<right>' is a single function key. When in
doubt, use whitespace.
File: xemacs-faq.info, Node: Q5.1.4, Next: Q5.1.5, Prev: Q5.1.3, Up: Miscellaneous
What is the performance hit of `let'?
=====================================
In most cases, not noticable. Besides, there's no avoiding
`let'--you have to bind your local variables, after all. Some pose a
question whether to nest `let's, or use one `let' per function. I
think because of clarity and maintenance (and possible future
implementation), `let'-s should be used (nested) in a way to provide
the clearest code.
File: xemacs-faq.info, Node: Q5.1.5, Next: Q5.1.6, Prev: Q5.1.4, Up: Miscellaneous
What is the recommended use of `setq'?
======================================
* Global variables
You will typically `defvar' your global variable to a default
value, and use `setq' to set it later.
It is never a good practice to `setq' user variables (like
`case-fold-search', etc.), as it ignores the user's choice
unconditionally. Note that `defvar' doesn't change the value of a
variable if it was bound previously. If you wish to change a
user-variable temporarily, use `let':
(let ((case-fold-search nil))
... ; code with searches that must be case-sensitive
...)
You will notice the user-variables by their docstrings beginning
with an asterisk (a convention).
* Local variables
Bind them with `let', which will unbind them (or restore their
previous value, if they were bound) after exiting from the `let'
form. Change the value of local variables with `setq' or whatever
you like (e.g. `incf', `setf' and such). The `let' form can even
return one of its local variables.
Typical usage:
;; iterate through the elements of the list returned by
;; `hairy-function-that-returns-list'
(let ((l (hairy-function-that-returns-list)))
(while l
... do something with (car l) ...
(setq l (cdr l))))
Another typical usage includes building a value simply to work
with it.
;; Build the mode keymap out of the key-translation-alist
(let ((inbox (file-truename (expand-file-name box)))
(i 0))
... code dealing with inbox ...
inbox)
This piece of code uses the local variable `inbox', which becomes
unbound (or regains old value) after exiting the form. The form
also returns the value of `inbox', which can be reused, for
instance:
(setq foo-processed-inbox
(let .....))
File: xemacs-faq.info, Node: Q5.1.6, Next: Q5.1.7, Prev: Q5.1.5, Up: Miscellaneous
What is the typical misuse of `setq' ?
======================================
A typical misuse is probably `setq'ing a variable that was meant to
be local. Such a variable will remain bound forever, never to be
garbage-collected. For example, the code doing:
(defun my-function (whatever)
(setq a nil)
... build a large list ...
... and exit ...)
does a bad thing, as `a' will keep consuming memory, never to be
unbound. The correct thing is to do it like this:
(defun my-function (whatever)
(let (a) ; default initialization is to nil
... build a large list ...
... and exit, unbinding `a' in the process ...)
Not only is this prettier syntactically, but it makes it possible for
Emacs to garbage-collect the objects which `a' used to reference.
Note that even global variables should not be `setq'ed without
`defvar'ing them first, because the byte-compiler issues warnings. The
reason for the warning is the following:
(defun flurgoze nil) ; ok, global internal variable
...
(setq flurghoze t) ; ops! a typo, but semantically correct.
; however, the byte-compiler warns.
While compiling toplevel forms:
** assignment to free variable flurghoze