ix: line	1
ix: line	2
ix: line	2
ix: line	3
ix: %begin line	11
ix: line	15
ix: %end line	19
ix: \f(CWps\fP \f(CW-a\fP	34
ix: \f(CWps\fP command	34
ix: \f(CWPS1\fP shell variable	36
ix: sorting~a book~index	25
ix: [pr]~[-]{n} command	31
ix: [%[^]...[%]] regular~expression	32
ix: [printf] [%%d] specification	35
ix: T\v'.17m'\h'-.12m'E\h'-.12m'\v'-.17m'X %key TEX	40
ix: CONTENTS 7 Input and Output
ix: [%~] tilde	41