Promote section headers that can can be used unmodified as fragment

[mandoc.git] / man_validate.c

diff --git a/man_validate.c b/man_validate.c
index 0c2ed8a47176c5a76cb3bef5bee6c580ce680e48..57f05b25e8ff9b47f8dde98d98986805513231fd 100644 (file)
--- a/man_validate.c
+++ b/man_validate.c
@@ -1,4 +1,4 @@
-/* $Id: man_validate.c,v 1.151 2020/03/13 15:32:28 schwarze Exp $ */
+/* $Id: man_validate.c,v 1.155 2020/10/30 13:24:33 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2012-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -34,11 +34,11 @@
 #include "mandoc_aux.h"
 #include "mandoc.h"
 #include "roff.h"
-#include "tag.h"
 #include "man.h"
 #include "libmandoc.h"
 #include "roff_int.h"
 #include "libman.h"
+#include "tag.h"
 
 #define        CHKARGS   struct roff_man *man, struct roff_node *n
 
@@ -311,9 +311,32 @@ static void
 post_SH(CHKARGS)
 {
        struct roff_node        *nc;
+       char                    *cp, *tag;
 
-       if (n->type != ROFFT_BODY || (nc = n->child) == NULL)
+       nc = n->child;
+       switch (n->type) {
+       case ROFFT_HEAD:
+               tag = NULL;
+               deroff(&tag, n);
+               if (tag != NULL) {
+                       for (cp = tag; *cp != '\0'; cp++)
+                               if (*cp == ' ')
+                                       *cp = '_';
+                       if (nc != NULL && nc->type == ROFFT_TEXT &&
+                           strcmp(nc->string, tag) == 0)
+                               tag_put(NULL, TAG_STRONG, n);
+                       else
+                               tag_put(tag, TAG_FALLBACK, n);
+                       free(tag);
+               }
                return;
+       case ROFFT_BODY:
+               if (nc != NULL)
+                       break;
+               return;
+       default:
+               return;
+       }
 
        if (nc->tok == MAN_PP && nc->body->child != NULL) {
                while (nc->body->last != NULL) {
@@ -487,9 +510,14 @@ post_TH(CHKARGS)
 
        if (n != NULL)
                n = n->next;
-       if (n != NULL && n->string != NULL)
+       if (n != NULL && n->string != NULL) {
                man->meta.msec = mandoc_strdup(n->string);
-       else {
+               if (man->filesec != '\0' &&
+                   man->filesec != *n->string &&
+                   *n->string >= '1' && *n->string <= '9')
+                       mandoc_msg(MANDOCERR_MSEC_FILE, n->line, n->pos,
+                           "*.%c vs TH ... %c", man->filesec, *n->string);
+       } else {
                man->meta.msec = mandoc_strdup("");
                mandoc_msg(MANDOCERR_MSEC_MISSING,
                    nb->line, nb->pos, "TH %s", man->meta.title);