/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/man_validate.c:217:10: warning: Assigned value is always the same as the existing value
        for (cp = p; NULL != (p = strchr(p, '\t')); p++) {
             ~~ ^ ~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/man_validate.c:216:2: warning: Value stored to 'cp' is never read
        cp = p = n->string;
        ^    ~~~~~~~~~~~~~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/man_validate.c:476:2: warning: Value stored to 'n' is never read
        n = n->child;
        ^   ~~~~~~~~
3 warnings generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/mdoc_macro.c:1449:3: warning: Value stored to 'head' is never read
                head = m->last;
                ^      ~~~~~~~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/mdoc_macro.c:1457:3: warning: Value stored to 'body' is never read
                body = m->last;
                ^      ~~~~~~~
2 warnings generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/mdoc_validate.c:549:10: warning: Assigned value is always the same as the existing value
        for (cp = p; NULL != (p = strchr(p, '\t')); p++) {
             ~~ ^ ~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/mdoc_validate.c:548:2: warning: Value stored to 'cp' is never read
        cp = p;
        ^    ~
2 warnings generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/tbl_data.c:152:29: warning: The left operand to '+' is always 0
        if (p[pos] == 'T' && p[pos + 1] == '}') {
                               ~~~ ^
1 warning generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/lib/libmandoc/../../dist/mandoc.c:311:2: warning: Value stored to 'rlim' is never read
        rlim = -1;
        ^      ~~
1 warning generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/main.c:136:2: warning: Value stored to 'argc' is never read
        argc -= optind;
        ^       ~~~~~~
1 warning generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/mdoc_html.c:502:3: warning: Value stored to 't' is never read
                t = print_otag(h, TAG_TABLE, 3, tag);
                ^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/mdoc_html.c:507:3: warning: Value stored to 't' is never read
                t = print_otag(h, TAG_TABLE, 2, tag);
                ^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/mdoc_term.c:617:7: warning: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'n')
                if (n->prev && MDOC_It == n->prev->tok) {
                    ^
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/mdoc_term.c:611:7: warning: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'n')
                if (n->prev && MDOC_It == n->prev->tok)
                    ^
2 warnings generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/term.c:615:3: warning: Value stored to 'c' is never read
                c = 0;
                ^   ~
1 warning generated.
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/term_ps.c:492:3: warning: Value stored to 'pp' is never read
                pp = "letter";
                ^    ~~~~~~~~
/home/joerg/work/NetBSD/cvs/src/external/bsd/mdocml/bin/mandoc/../../dist/term_ps.c:579:2: warning: Value stored to 'len' is never read
        len = vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
        ^     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.