Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Documentation/unicode.txt: convert it to ReST markup
Probably, unicode is something that we might remove from the
docs, as all modern systems support it. Yet, this chapter
is fun, as it mentions support for the Klington fictional
charset ;)
On the other hand, I bet all other OS user manuals
explicit mention unicode support.
So, convert it to ReST and include it at the user's book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Documentation/unicode.txt
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Documentation/unicode.txt
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Unicode support
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===============
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Last update: 2005-01-17, version 1.4
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This file is maintained by H. Peter Anvin <unicode@lanana.org> as part
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http://www.lanana.org/docs/unicode/unicode.txt
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------------------------
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Introdution
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-----------
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The Linux kernel code has been rewritten to use Unicode to map
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characters to fonts. By downloading a single Unicode-to-font table,
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This changes the semantics of the eight-bit character tables subtly.
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The four character tables are now:
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=============== =============================== ================
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Map symbol Map name Escape code (G0)
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=============== =============================== ================
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LAT1_MAP Latin-1 (ISO 8859-1) ESC ( B
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GRAF_MAP DEC VT100 pseudographics ESC ( 0
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IBMPC_MAP IBM code page 437 ESC ( U
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USER_MAP User defined ESC ( K
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=============== =============================== ================
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In particular, ESC ( U is no longer "straight to font", since the font
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might be completely different than the IBM character set. This
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have been defined; these are used by the DEC VT graphics map. [v1.2]
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THIS USE IS OBSOLETE AND SHOULD NO LONGER BE USED; PLEASE SEE BELOW.
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====== ======================================
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U+F800 DEC VT GRAPHICS HORIZONTAL LINE SCAN 1
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U+F801 DEC VT GRAPHICS HORIZONTAL LINE SCAN 3
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U+F803 DEC VT GRAPHICS HORIZONTAL LINE SCAN 7
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U+F804 DEC VT GRAPHICS HORIZONTAL LINE SCAN 9
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====== ======================================
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The DEC VT220 uses a 6x10 character matrix, and these characters form
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a smooth progression in the DEC VT graphics character set. I have
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since they are horribly vendor-specific. This, of course, is an
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excellent example of horrible design.
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====== ======================================
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U+F810 KEYBOARD SYMBOL FLYING FLAG
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U+F811 KEYBOARD SYMBOL PULLDOWN MENU
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U+F812 KEYBOARD SYMBOL OPEN APPLE
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U+F813 KEYBOARD SYMBOL SOLID APPLE
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====== ======================================
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Klingon language support
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------------------------
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located it at the end, on a 16-cell boundary in keeping with standard
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Unicode practice.
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NOTE: This range is now officially managed by the ConScript Unicode
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Registry. The normative reference is at:
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.. note::
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This range is now officially managed by the ConScript Unicode
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Registry. The normative reference is at:
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http://www.evertype.com/standards/csur/klingon.html
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···
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with only the actual shapes being different, in keeping with standard
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Unicode practice these differences are considered font variants.
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====== =======================================================
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U+F8D0 KLINGON LETTER A
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U+F8D1 KLINGON LETTER B
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U+F8D2 KLINGON LETTER CH
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U+F8FD KLINGON COMMA
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U+F8FE KLINGON FULL STOP
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U+F8FF KLINGON SYMBOL FOR EMPIRE
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====== =======================================================
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Other Fictional and Artificial Scripts
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--------------------------------------