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ffc ffb ffa
fdg feg ffg
lxyz nxyz mxyz
{abc,def}
{abc}
{a,b,c,d,e}
x} y} {a} b} c}
x,y {abc} trie
/usr/ucb/ex /usr/ucb/edit /usr/lib/ex /usr/lib/how_ex
XXXX{a,b,c}
XXXXa XXXXb XXXXc
{}
{ }
}
{
abcd{efgh
foo 1 2 bar
foo 1 2 bar
foo 1 2 bar
foobar foobaz.
foobar foobaz
bazx bazy
vx vy
bazx bazy
1 2 3 4 5 6 7 8 9 10
0..10 braces
0 1 2 3 4 5 6 7 8 9 10 braces
x0y x1y x2y x3y x4y x5y x6y x7y x8y x9y x10y xbracesy
3
x3y
10 9 8 7 6 5 4 3 2 1
10y 9y 8y 7y 6y 5y 4y 3y 2y 1y
x10y x9y x8y x7y x6y x5y x4y x3y x2y x1y
a b c d e f
f e d c b a
a ` _ ^ ] [ Z Y X W V U T S R Q P O N M L K J I H G F E D C B A
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ ] ^ _ ` a
f
{1..f}
{f..1}
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20
-1 -2 -3 -4 -5 -6 -7 -8 -9 -10
-20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0
a-{bd}-c a-{be}-c
a-{bdef-g-c a-{bdef-i-c
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