mirror of https://github.com/mkerrisk/man-pages
unicode.7: Document private use areas
See https://bugs.debian.org/285444 Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -191,7 +191,7 @@ and
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tells, how many positions (0\(en2) the cursor is advanced by the
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tells, how many positions (0\(en2) the cursor is advanced by the
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output of a character.
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output of a character.
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.PP
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.PP
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.SS Private area
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.SS Private Use Areas (PUA)
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In the Basic Multilingual Plane,
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In the Basic Multilingual Plane,
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the range 0xe000 to 0xf8ff will never be assigned to any characters by
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the range 0xe000 to 0xf8ff will never be assigned to any characters by
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the standard and is reserved for private usage.
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the standard and is reserved for private usage.
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@ -205,6 +205,11 @@ assigned to the Linux zone is maintained by LANANA and the registry
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itself is
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itself is
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.I Documentation/unicode.txt
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.I Documentation/unicode.txt
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in the Linux kernel sources.
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in the Linux kernel sources.
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.PP
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Two other planes are reserved for private usage, plane 15
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(Supplementary Private Use Area-A, range 0xf0000 to 0xffffd)
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and plane 16 (Supplementary Private Use Area-B, range
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0x100000 to 0x10fffd).
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.SS Literature
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.SS Literature
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.IP * 3
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.IP * 3
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Information technology \(em Universal Multiple-Octet Coded Character
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Information technology \(em Universal Multiple-Octet Coded Character
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