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ArcWeb 0.29 Release Notes
=========================
*** In its supplied state, it won't talk to the KA9Q fetchers if you have
*** a module called Internet loaded. This version will autodetect this
*** instead of having a requirement to edit !ArcWeb.!Run
*** Usage over KA9Q is depracated (get a dictionary if you don't understand).
*** Use FreeNet (and hence ArcWebTCP instead)
*** If you have not used ArcWeb 0.22 or later previously, you must remove your
*** existing !WebCache before copying the new version over it, otherwise
*** everything may fall over with directory full errors.
For conditions of use, please read Terms. For help on how to use and
configure ArcWeb, please read the Instruct file. If you have problems, read
the Problems file.
*** IMPORTANT NOTE: In order to use ArcWeb via any TCP/IP networking software
at all, you also need the fetchers appropriate to that networking software.
There are several HTTP fetchers for KA9Q's !TCPIP on ftp.demon.co.uk, such
as !WebGopher, !ArcWebK9Q etc.
I have included in this distribution a version of ArcWebTCP for use with
*Acorn* TCP/IP version 2 or compatiable networking software. This should
include the ANT Ethernet suite and does include FreeNet. The version
included may not be up to date though, you should check
cslib.ecs.soton.ac.uk's FTP archive for the latest version number.
My base line specification document is the latest IETF working draft:
"HyperText Markup Language Specification - 2.0" Berners-Lee, Connolly, et al.
Date: 8th Feb 1995. This is an IETF draft which carries a 6 month maximum
lifespan. <draft-ietf-html-spec-01.txt> from IETF FTP mirrors. A copy of this
document is available at http://louis.ecs.soton.ac.uk/~snb94r/ which contains
details on where to obtain an official copy in your area of the planet.
I have aimed to ensure that version 0.20 has a minimum of total conformance to this
draft (possibly excepting textareas). Features that are part of the next version
of HTML may or may not be supported at this time - some currently are, some aren't.
My base line specification document for HTTP is the latest IETF working
draft of March 1995.
ArcWeb is available (via HTTP) from:
http://louis.ecs.soton.ac.uk/~snb94r/arcweb.arc
It is also available for FTP from: cslib.ecs.soton.ac.uk as
/pub/Acorn/ArcWeb/arcweb_0.29.arc
and from: micros.hensa.ac.uk as
/micros/arch/riscos/c/c135/arcweb.arc
and from: ftp.demon.co.uk as
/pub/archimedes/www/arcweb_0.29.arc
You also require the DrawFile module which is available from ftp.acorn.co.uk as:
/pub/riscos/releases/drawfile.arc
If you want to hear audio, then you will require SoundCon by Rick Hudson.
Version 1.51 and later of SoundCon include support for the ArcWeb protocols
so that when you follow links to audio, they are played automatically. Some
audio files on the WWW do not work with earlier versions on SoundCon, although
those that do can be dragged onto the SoundCon icon bar icon. This is available
from HENSA and Demon (in the HENSA mirror section).
If you want to see MPEGs then you need something like !MPEGPlay
The Acorn section of the HENSA/micros archive is now mirrored in the Demon
/pub/mirrors/hensa directory. It is also mirrored at ftp.uni-stuttgart.de. See
the fortnightly posting by Gerben Vos on comp.sys.acorn.announce for more
details on archive sites and mirroring arrangements.
I highly recommend that you look at the ArcWeb home page (go to my home page
[shown below] and follow the link to it) if you have already have http:
capability, and that if you DON'T, get it running on local files first before
attempting network access. The supplied HTML files contain descriptions of
how to configure the software.
This release was made on XX July 1995.
Bugs Fixed & Improvements since 0.28
====================================
Bug fix: leading spaces are discarded from relative URLs
ArcWeb needed -noexturl to run with ArcWebK9Q and friends because
I'd coded some tests in the wrong order.
Bug in <ol> handling fixed (at last I hope)
New version of PrintWeb linked with a hacked version of RISC_OSlib
to make fileicon() understand directories
Known Bugs
==========
Information, including known bugs and future enhancements, can be found at
http://louis.ecs.soton.ac.uk/~snb94r/arcweb.html
TEXTAREA elements are not handled properly, because the size is limited to that
given in the HTML definition (which should only refer to the visual characteristics
of the area, not its actual maximum dimensions.
The DrawFile module appears to be ignoring the left hand wastage fields in
the sprite definitions which results in some sprites not displaying correctly.
Parser is still slow - the filter technique used to parse and render the
page is logical but requires two passes through the source hence the lack of
speed.
The DrawFile module does not render scaled text objects correctly. This means
that 'Netscape' pages may look odd. Exporting the diagram to Draw shows that
the correct image is being produced.
Not my fault: RmEnsure'ing the DrawFile module when an earlier version is
already loaded causes an odd 'nager: Sprites22' error. This is not the
fault of ArcWeb and is experienced by other programs which use DrawFile 1.01.
Consensus appears to be that this is due to some kind of misinteraction
between modules written C and the rest of the system.
Spacing still isn't quite right between words at the split points.
==
Stewart Brodie
S.N.Brodie@ecs.southampton.ac.uk
University of Southampton, UK