Adding upstream version 2.9.0rel.0.upstream/2.9.0rel.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/docs/IBMPC-charsets.announce b/docs/IBMPC-charsets.announce
new file mode 100644
index 0000000..1431cdf
--- /dev/null
+++ b/docs/IBMPC-charsets.announce
@@ -0,0 +1,74 @@
+
+Summary
+=======
+This document is primarily for people who will be using Lynx
+on a remote UNIX or VMS system via an MS-DOS based terminal program.
+
+
+General Information
+===================
+Lynx comes with built-in translation tables to map the 8-bit character codes or
+character entities coming in from an HTML document to their equivalent codes,
+where possible, for various character sets.
+
+IMPORTANT:  you should choose display character set in Lynx Options Menu
+according to your font installed locally.  Probably it would be cpXXX. Please
+contact lynx-dev mailing list if you want any new codepage not listed there.
+
+Note that all points of the connection between the display at your end and Lynx
+at the remote end must be 8-bit clean.  If the high bit is being stripped at
+any point in between, the only character set you can use (effectively) in Lynx
+will be "7 bit approximations".  More on that later.
+
+
+MS-DOS character set weirdness
+==============================
+MS-DOS uses a bass-ackwards character set in which half the normal characters
+have been replaced by pseudo-graphic line and box-drawing characters, and in
+which almost all of the international characters are mapped to nonstandard
+numbers.  It also contains Greek letters.
+
+Further confusing matters, there is more than one MS-DOS character set.  The
+character sets are referred to as "codepages," each of which has a unique
+number.  IBM PCs and compatibles come with one hardware-based default codepage
+and a keyboard to match.  In the US market the hardware codepage is 437.  PCs
+destined for other regions of the world often have a different default codepage
+which contains characters for other languages and keyboards.  Under MS-DOS, one
+can load different codepages into memory and use one of them instead of the
+hardware default.
+
+If you are using Lynx through an MS-DOS based terminal program or telnet
+client, you should use an appropriate DOS codepage in Lynx and you need not any
+translation within terminal program (this is different from old-style behavior
+and works better because of superior Lynx translation support).
+
+Check your display by accessing Martin Ramsch's ISO-8859-1 table
+(iso8859-1.html in the Lynx distribution's test subdirectory).
+
+Ramsch's table describes each entity and shows examples of each.  It should be
+immediately obvious that you are either seeing what you are supposed to, or
+you're not.  If you see box and line-drawing characters and mismatched letters
+and so on, you are likely displaying 7 bit data, not 8.  Ensure that all points
+of your connection are 8-bit clean:
+
+	On any remote UNIX systems you must pass through, do
+		'stty cs8 -istrip' or 'stty pass8'.  'stty -a' should list
+		your settings.
+	On any remote VMS systems, do 'set terminal /eightbit'.
+	Make sure your terminal program or telnet client is not filtering
+		8-bit data.  You may found the choice between "VT-100 strict"
+		and "VT-100 relaxed" emulation mode - use relaxed.
+		Note:  Procomm for DOS has a confusing "Use 7 bit or 8 bit
+		ANSI" setting -- this has to do with ANSI sequences.  If set to
+		8 bit, some 8-bit character sequences, including those passed
+		by Lynx as well as those which are for your terminal type
+		(vt100, etc.) will be processed by Procomm as ANSI screen
+		control codes and will most likely result in a garbled display.
+		Set it to 7 bit.
+	If going through a dialup terminal server, you may have to set the
+		terminal server itself to pass 8 bit data.  How to do this
+		varies with the make of the server, and in some cases only a
+		system admin in charge of the box will have the authorization
+		to do that.
+	SLIP or PPP connections should already be 8-bit clean.
+