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!ArcWeb
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What'sNew
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1997-04-15
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<title>What's New in Recent Versions</title>
<body>
<h1>What's New?</h1>
Things of note which are new in recent versions:
<ul>
<li>ArcWeb has gained its own GIF decoder so it no longer has to rely on ChangeFSI/gif2spr
to provide image translation.
</ul>
New in less recent versions (the further down the list, the older the feature/fix):
<ul>
<li>PrintWeb takes into account the current printer paper size settings (
or defaults to A4 if <img src="#!printers" alt="!Printers"> isn't loaded
<li>Frames via lists of links
<li>Cookie support added
<li>META and LINK tags are stored and can be viewed by clicking Adjust on
<img src="#sm!help" alt="the small !Help icon"> on the toolbar or by clicking
on the <em>More Information</em> button in the About dialogue box.
<li>Preformatted text layout is much better
<li>Authentication database much enhanced. Now features:
<ul>
<li>Storing of FTP passwords
<li>Correct handling of multiple realms per HTTP server
<li>All password information is encrypted in the Auth_DB file
</ul>
<li>JPEG plotting code more consistent (can handle JPEGs with non-default
DPI settings
<li>Client-side imagemaps (same document only)
<li>FTP upload provides status updates
<li>Interactive web page design
<li>FTP upload
<li>local: URLs can be made case-sensitive
<li>Background image plotting should be much better now
<li>Drag'n'Drop protocol now supported - so you can drag the URLs from the URL icon out to
other places.
<li>I've fixed a major fault in the global history handling which was causing random exits
whenever the global history filled up.
<li>Cache is more configurable (see its configuration window)
<li>More resilient networking code - no obvious outward signs of this except a decrease in
the number of failed connections to proxies, hopefully.
<li>Image menu added so that you can export (most of) the images from web pages
<li>DrawFiles are exported `cleanly' now, so Draw doesn't complain about some of the objects.
<li>Width & Height attributes to the img tag are supported
<li>Email sending no longer causes a weird silent exit, and the result of trying to e-mail is
displayed in a dialogue box too.
<li>New DNS Resolver code included to provide secondary cacheing, and to search out system
variables contaning resolver configuration information when the resconf configuration file
is not found.
<li>ArcWeb now uses Dynamic Areas on a Risc PC (the amount of memory to claim is configurable in
the <em>Memory</em> choices window)
<li>ArcWeb can take advantage of Virtualise ® in order to make those dynamic areas virtual.
Control of virtual memory is via the Virtualise frontend, or a simple on/off switch in the
<em>Memory</em> choices window in ArcWeb.
<li>ADJUST click on the Reload button just resizes the display
<li>Image size detection fixed again
<li>Shouldn't prompt you to confirm a quit if there are no windows open and no activity
<li>Renderer should finally manage to multitask multiple renders, although this will use
quite a bit of CPU time, I would have thought
<li>Major memory leak fixed (1.5Kb per page viewed!)
<li>Image sizes should be calculated better in non-square modes, so imagemaps will work better
<li>Hot keys are detected on <select> menus and are not right justified by the Wimp any more.
<li>Multithreading fixed so that structures belonging to one thread don't get
deallocated by others whilst the other is still actively using the structure.
<li><a href=bugreports>Debug information</a> sent to RAM:$.WebRegs if DumpRegisters variable is set.
<li>A lot more information in the <a href="arcweb">user manual</a> pages.
<li>Other misc fixes
<li>Massive bug in message reception function fixed. This would have caused
random Address Exceptions.
<li>Anchors work again - they were broken in 1.27 and possibly before that too.
<li>RISC OS 3.1 should no longer die when I delete windows due to the WindowManager
bug. I have added code to defer window deletion until the Wimp does not have
any icon slabbed in.
<li>Nothing was being automatically run (even 'safe' types) due to me failing
to read the top of PRM 1-310 regarding the fact that <tt>os_read_var_val</tt>
<em>can</em> return an error, even if it succeeds.
<li>gopher code rewritten to handle EOL correctly
<li>Bug in email handling (caused a crash) fixed
<li>Mouse pointer changes shape whilst over a hyperlink
<li>spurious window openings and crashes when using dialogue boxes have been
fixed (bug in RISC_OSlib)
<li>History window has a menu to allow you to flush it
<li>Won't open archives automatically, but will force you to save them before
opening. This is a security feature as much as anything else
<li>More modules included in the !System directory
<li>The low memory handler contained a massive bug which resulted in the render
of a page stalling if there wasn't enough memory for an image conversion.
This could quite possibly have caused other weird errors for people who ran
low on memory.
</ul>
<hr>
<address>
Stewart Brodie
</address>