tdon't need this after all.  yay. - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit b2f08f618b3d5fcd1a6f816fa73bd7d77d888180
 (DIR) parent 989e6dc3ac24d1ab3ee7a1d66c5f5e5a1a37bb2d
 (HTM) Author: rsc <devnull@localhost>
       Date:   Wed, 14 Dec 2005 21:31:06 +0000
       
       don't need this after all.  yay.
       
       Diffstat:
         M src/cmd/troff/fns.h                 |       1 -
         M src/cmd/troff/n5.c                  |      23 ++++++-----------------
         M src/cmd/troff/ni.c                  |       1 -
       
       3 files changed, 6 insertions(+), 19 deletions(-)
       ---
 (DIR) diff --git a/src/cmd/troff/fns.h b/src/cmd/troff/fns.h
       t@@ -172,7 +172,6 @@ void        casefl(void);
        void        caseev(void);
        void        envcopy(Env *e1, Env *e2);
        void        caseel(void);
       -void caseei(void);
        void        caseie(void);
        void        casexif(void);
        void        caseif(void);
 (DIR) diff --git a/src/cmd/troff/n5.c b/src/cmd/troff/n5.c
       t@@ -8,7 +8,7 @@
        #include "fns.h"
        #include "ext.h"
        
       -int        iflist[NIF];        /* whether 'else' is true */
       +int        iflist[NIF];
        int        ifx;
        int        ifnum = 0;        /* trying numeric expression for .if or .ie condition */
        
       t@@ -612,16 +612,6 @@ void envcopy(Env *e1, Env *e2)        /* copy env e2 to e1 */
        }
        
        
       -void caseei(void)
       -{
       -        if (--ifx < 0) {
       -                ifx = 0;
       -                iflist[0] = 0;
       -        }
       -        caseif1(1);
       -        ifx++;
       -}
       -
        void caseel(void)
        {
                if (--ifx < 0) {
       t@@ -631,6 +621,7 @@ void caseel(void)
                caseif1(2);
        }
        
       +
        void caseie(void)
        {
                if (ifx >= NIF) {
       t@@ -638,11 +629,11 @@ void caseie(void)
                        ifx = 0;
                        edone(040);
                }
       -        iflist[ifx] = 1;
                caseif1(1);
                ifx++;
        }
        
       +
        void caseif(void)
        {
                caseif1(0);
       t@@ -654,7 +645,7 @@ void caseif1(int x)
                int notflag, true;
                Tchar i;
        
       -        if (x == 2) {        /* .el */
       +        if (x == 2) {
                        notflag = 0;
                        true = iflist[ifx];
                        goto i1;
       t@@ -700,10 +691,8 @@ void caseif1(int x)
                }
        i1:
                true ^= notflag;
       -        if (x == 1) {        /* .ie or .ei */
       -                true = true && iflist[ifx];
       -                iflist[ifx] = iflist[ifx] && !true;
       -        }
       +        if (x == 1)
       +                iflist[ifx] = !true;
                if (true) {
        i2:
                        while ((cbits(i = getch())) == ' ')
 (DIR) diff --git a/src/cmd/troff/ni.c b/src/cmd/troff/ni.c
       t@@ -70,7 +70,6 @@ Contab contab[NM] = {
                C(PAIR('n', 'r'), casenr),
                C(PAIR('i', 'f'), caseif),
                C(PAIR('i', 'e'), caseie),
       -        C(PAIR('e', 'i'), caseei),
                C(PAIR('e', 'l'), caseel),
                C(PAIR('p', 'o'), casepo),
                C(PAIR('t', 'l'), casetl),