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unicode.7: Document private use areas 

See https://bugs.debian.org/285444

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Dr. Tobias Quathamer 2016-02-09 11:59:24 +01:00 committed by Michael Kerrisk
parent 45e93b31a2
commit 66e80e3157
1 changed files with 6 additions and 1 deletions
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7
man7/unicode.7
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@ -191,7 +191,7 @@ and
tells, how many positions (0\(en2) the cursor is advanced by the
output of a character.
.PP
.SS Private area
.SS Private Use Areas (PUA)
In the Basic Multilingual Plane,
the range 0xe000 to 0xf8ff will never be assigned to any characters by
the standard and is reserved for private usage.
@ -205,6 +205,11 @@ assigned to the Linux zone is maintained by LANANA and the registry
itself is
.I Documentation/unicode.txt
in the Linux kernel sources.
.PP
Two other planes are reserved for private usage, plane 15
(Supplementary Private Use Area-A, range 0xf0000 to 0xffffd)
and plane 16 (Supplementary Private Use Area-B, range
0x100000 to 0x10fffd).
.SS Literature
.IP * 3
Information technology \(em Universal Multiple-Octet Coded Character