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Date: Wed, 10 Mar 1999 14:06:06 -0800
From: Hideki Hiura <Hideki.Hiura@Eng.Sun.COM>
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Subject: [FreeBSD-tech-jp 2054] Re: let's not use ja_JP.EUC
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$B$A$g$C$H;~:99{$1$N$^$^!"(Be $B$d4v$D$+$N(B key $B$,2u$l$+$1$?(B keyboard $B$G=q$$$?(B
$B$N$G!"$A$g$C$HIT==J,$G$7$?!#(B

> > UNICODE$B$K$D$$$F$O!"(Bunification$B$J$s$+$;$:$K4A;z$r7k9gJ8;z$KJ,2r$7$F$7$^(B
> > $B$($PNI$+$C$?$s$8$c$J$$$+$H;W$C$F$^$9!#(B
> 
> $B;DG0$J$3$H$K!"9a9A!?Cf9q$N(B pager $B$J$I$G0lHLE*$K;H$o$l!"(BGBK $B$N0lIt$K$J$C(B
> $B$F$$$k!"9g@.4A;z(B(Ideograph Dscription Character/sequence)$B$O!"$=$N855,(B
> $B3J$N;}$D!"(Barchitectual $B7g4Y$r$=$N$^$^7Q>5$9$k7A$G!"9q:]5,3J$K$J$k$G$7$g(B
> $B$&!#(B

ISO/IEC 10646 $B$H$7$F$$$&$3$H$G$9!#(BISO$B!?(BIEC 10646-1 Edition 2  $B$K3N<B$K(B
$BF~$k$G$7$g$&!#$H$[$[(B.....

> > $B7k9gJ8;z$K$7$F$7$^$($P(Bsurrrogate$B$J$s$F$;$:$K(B16bit$B$N$^$^$G$7$N$2$?$s$8$c(B
> > $B$J$$$+$H$*$b$$$^$9!#(B
> 
> IDC $B$J$s$+$h$j!"(Bsurogate $B$N$[$&$,!"$h$[$I7rA4$G$9!#(B

$B$b$H$b$H!"(Boriginal $B$N(B Unicode $B$O!"(Bcombining  sequence $B;X8~$N$b$N$G$7$?!#(B
pre-composed character $B$H$N:.:_$r;}$A9~$s$@$N$O!"Ev;~(B ISO-2022 like $B$J(B
ISO/IEC 10646 $B$r;X8~$7$F$$$??MC#!#$^$"!"$b$A$m$s!"Ev;~!"$*$h$S!"8=:_$N(B
$B3F9q5,3J%l%Y%k$G$O!"9g@.4A;z$O8&5fITB-$GK\Ev$K<BMQ2D$G$"$k$H;d$,H=CG(B
$B$G$-$k$b$N$ODs0F$5$l$F$$$^$;$s!#(B

> > $B3N$+4A;z%3!<%I$H$7$FItIJ$K%3!<%I$r?6$C$F7k9gJ8;z$H$7$F07$&$H$$$C$?46$8(B
> > $B$N8&5f$,$"$C$?$H;W$$$^$9!#(B
> 
> $B;`$LDx$"$j$^$9!#$=$7$F!"2f!99q:]J8;z5,3J$K78$o$k?M4V$O!"$b$A$m$s!"$=$N(B
> $B9q:]%(%4E*E%>B$d!"5;=QE*2DG=@-$d!"Bg;d4k6H$N;WOG$d!"(Bacademic $B5$<h$j$N(B
> $B%P%+$J$I$K$D$$$F(B aware of $B$G$9!#$=$N$&$($G=PMh$k$3$H$r$7$F$$$k!#(B

$BF|K\9qBeI=CD$b(B US national body $B$b!"$3$N$h$&$J;H$($J$$9g@.J8;z5,3J$O(B
$BDY$7$?$+$C$?$N$G$9$,!"(BISO $B$N(B  bureaucratic $B$J(B nature $B$H!"=jA'!"0l9q(B
$B0lI<$7$+$J$$Ha$7$5$G!"7k6I!"(B10646 $B$KF~$k$G$7$g$&!#(B
$B2?$r8@$o$s$H$7$F$$$k$N$+M}2r$G$-$J$$9q$O!"$H$j$"$($:;?@.I<$r$$$l$F$$$k(B
$B$H$$$&$N$,!";d$N46?($G$9!#(B

> > #$B$G$b(BBit$B$NJR2,$5$s$N5-;v$G7k9g8e$NJ8;z$,:.$6$C$F$$$k!"$I$J$$$9$s$M$s(B?
> > #$B$H8@$&;XE&$,$"$C$?$1$I(B:-)
> 
> $B$O$!!#$^$"!"(Bwr=WR.ct $B$HL>IU$1$k?M$G$9$7!#(B
              wr_WR.ct

$B$N(B typo.

pre-composed $BO)@~$r?J$a$kJ}8~$K!"(BSuperCJK $B$H$$$&$b$N$,$"$j$^$9!#(B
ISO/IEC JTC1 SC2/WG2 $B$N(B Ideograph $B$K$+$s$9$k2<0LAH?%$H$$$&$+$?$A$G!"(B
C/J/K/T/V/US/HK/SG $B$J$I$N9q2HBeI=CD(B(National body)$B$,%a%s%P!<$N(B
$BAH?%$G(B IRG $B$H$$$&AH?%$,$"$j!"4A;z$K4X$9$k9q:]I8=`$r@)Dj$7$F$$$k$N(B
$B$G$9$,!"$3$3$7$P$i$/$N3hF0$K(B SuperCJK $B$H$$$&$N$,$"$j$^$9!#(B
$B8=:_(B Version 5 $B$G!"(B70,000 $B4A;z<}O?$G$9!#$b$A$m$s!"(BUnicode/10646 $B$X$N(B
$B<}O?$N$?$a$K$d$C$F$$$^$9!#(B
$B%i%]!<%?!<[)$/!"!V$3$3$^$G$N4A;z$r<}O?$7$?$b$N$O!":#$@$+$D$F$I$N9qFb(B
$B$*$h$S9q:]5,3J$K$b$J$$!W(B

# $B$^$"!"8D?ME*$K$O!"$+$J$j(B negative $B$J$N$G$9$,(B

> > $B$I$A$i$b!VJ8;z$H$O2?$+(B?$B!W!"Nc$($P!V0lJ8;z$H$O2?$+!W!VJ8;z(BA$B$HJ8;z(BB$B$,0c(B
> > $B$&$H8@$&$N$O2?$+!W$C$F$N$r$A$c$s$H9M$($F$$$J$$$C$F$N$G$OF1$8$+$J$"$C$H(B
> > $B;W$&$h$&$K$J$C$F$^$9!#(B
> 
> $BC/$,!"2?$r!"$I$3$^$G9M$($F$$$J$$$H$$$&$N$G$9$+!)$@$l$,$C$F$$$&$N$OJR2,$5$s!)(B

Grapheme $B$N(B level $B$^$G$D$-$D$a$F0UL#$,M-$k$N$+$J$$$N$+!"(B
$B$3$3$^$G$/$k$H!"$^$5$7$/(B  context $B$K$h$k$G$7$g$&$M(B

Hideki HIURA, hideki.hiura@Sun.COM
Sun Microsystems Inc. Mountain View, CA.
