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Annotation of 42BSD/usr.bin/eqn/eqnbox.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)eqnbox.c   4.2 8/11/83";
        !             3: #endif
        !             4: 
        !             5: # include "e.h"
        !             6: 
        !             7: eqnbox(p1, p2, lu) {
        !             8:        int b, h;
        !             9:        char *sh;
        !            10: 
        !            11:        yyval = p1;
        !            12:        b = max(ebase[p1], ebase[p2]);
        !            13:        eht[yyval] = h = b + max(eht[p1]-ebase[p1], 
        !            14:                eht[p2]-ebase[p2]);
        !            15:        ebase[yyval] = b;
        !            16:        if(dbg)printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n", 
        !            17:                yyval, p1, p2, b, h);
        !            18:        if (rfont[p1] == ITAL && lfont[p2] == ROM)
        !            19:                sh = "\\|";
        !            20:        else
        !            21:                sh = "";
        !            22:        if (lu) {
        !            23:                printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
        !            24:                printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
        !            25:        }
        !            26:        printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
        !            27:        rfont[p1] = rfont[p2];
        !            28:        ofree(p2);
        !            29: }

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