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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2016-12-28 17:34:18 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2016-12-28 17:34:18 +0000 |
| commit | 680c932a062c93aa4d054794539b762b8c62b781 (patch) | |
| tree | ee7554c1bc5f564cf720259e483a9c5913b549f2 /mdoc_validate.c | |
| parent | 296ca97e61f5c92e7b681de5cfbefd00df41afe0 (diff) | |
| download | mandoc-680c932a062c93aa4d054794539b762b8c62b781.tar.gz mandoc-680c932a062c93aa4d054794539b762b8c62b781.tar.zst mandoc-680c932a062c93aa4d054794539b762b8c62b781.zip | |
Make the second, section number argument of .Xr mandatory.
In fact, we have been requiring it for many years.
The only reason to not warn when it was missing
was excessive traditionalism - it was optional in 4.4BSD.
Diffstat (limited to 'mdoc_validate.c')
| -rw-r--r-- | mdoc_validate.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/mdoc_validate.c b/mdoc_validate.c index 803d5bce..504acd87 100644 --- a/mdoc_validate.c +++ b/mdoc_validate.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_validate.c,v 1.309 2016/10/09 18:16:56 schwarze Exp $ */ +/* $Id: mdoc_validate.c,v 1.310 2016/12/28 17:34:18 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2016 Ingo Schwarze <schwarze@openbsd.org> @@ -103,6 +103,7 @@ static void post_sh_authors(POST_ARGS); static void post_sm(POST_ARGS); static void post_st(POST_ARGS); static void post_std(POST_ARGS); +static void post_xr(POST_ARGS); static v_post mdoc_valids[MDOC_MAX] = { NULL, /* Ap */ @@ -145,7 +146,7 @@ static v_post mdoc_valids[MDOC_MAX] = { post_st, /* St */ NULL, /* Va */ NULL, /* Vt */ - NULL, /* Xr */ + post_xr, /* Xr */ NULL, /* %A */ post_hyph, /* %B */ /* FIXME: can be used outside Rs/Re. */ NULL, /* %D */ @@ -1807,6 +1808,21 @@ post_sh_head(POST_ARGS) } static void +post_xr(POST_ARGS) +{ + struct roff_node *n, *nch; + + n = mdoc->last; + nch = n->child; + if (nch->next == NULL) { + mandoc_vmsg(MANDOCERR_XR_NOSEC, mdoc->parse, + n->line, n->pos, "Xr %s", nch->string); + return; + } + assert(nch->next == n->last); +} + +static void post_ignpar(POST_ARGS) { struct roff_node *np; @@ -2002,7 +2018,7 @@ post_dt(POST_ARGS) } } - /* Mandatory second argument: section. */ + /* Mandatory second argument: section. */ if (nn != NULL) nn = nn->next; |