Do not issue the message "no blank before trailing delimiter" for .No.

In practice, that message only matters inside .Bf, and even there, it
can occasionally be a false positive.  In all other cases, it usually
is a false positive, so it is better to drop it outright.
Suggested by jmc@.

diff --git a/regress/usr.bin/mandoc/mdoc/No/punct.out_lint b/regress/usr.bin/mandoc/mdoc/No/punct.out_lint
index 1543048..e46cd67 100644 (file)
--- a/regress/usr.bin/mandoc/mdoc/No/punct.out_lint
+++ b/regress/usr.bin/mandoc/mdoc/No/punct.out_lint
@@ -23,4 +23,3 @@ mandoc: punct.in:71:7: WARNING: skipping empty macro: No
 mandoc: punct.in:74:7: WARNING: skipping empty macro: No
 mandoc: punct.in:75:7: WARNING: skipping empty macro: No
 mandoc: punct.in:83:2: WARNING: skipping empty macro: No
-mandoc: punct.in:86:6: STYLE: no blank before trailing delimiter: No a.

diff --git a/usr.bin/mandoc/mdoc_validate.c b/usr.bin/mandoc/mdoc_validate.c
index 4fe4f25..57ab101 100644 (file)
--- a/usr.bin/mandoc/mdoc_validate.c
+++ b/usr.bin/mandoc/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mdoc_validate.c,v 1.249 2017/06/10 16:53:58 schwarze Exp $ */
+/*     $OpenBSD: mdoc_validate.c,v 1.250 2017/06/11 14:10:24 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -182,7 +182,7 @@ static      const v_post __mdoc_valids[MDOC_MAX - MDOC_Dd] = {
        NULL,           /* Eo */
        post_xx,        /* Fx */
        post_delim,     /* Ms */
-       post_delim,     /* No */
+       NULL,           /* No */
        post_ns,        /* Ns */
        post_xx,        /* Nx */
        post_xx,        /* Ox */
@@ -479,8 +479,8 @@ post_delim(POST_ARGS)
 
        /* At least three alphabetic words with a sentence ending. */
        if (strchr("!.:?", *lc) != NULL && (tok == MDOC_Em ||
-           tok == MDOC_Li || tok == MDOC_No || tok == MDOC_Po ||
-           tok == MDOC_Pq || tok == MDOC_Sy)) {
+           tok == MDOC_Li || tok == MDOC_Po || tok == MDOC_Pq ||
+           tok == MDOC_Sy)) {
                nw = 0;
                for (cp = lc - 1; cp >= nch->string; cp--) {
                        if (*cp == ' ') {