Retire support for CSRG supplementary document titles. These are

long obsolete and were never written in mdoc(7) in the first place.
Removes 100 lines from source files.

1 files changed, 2 insertions, 12 deletions

diff --git a/mdoc_validate.c b/mdoc_validate.c
index adba1204..18946b52 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -2280,19 +2280,9 @@ post_dt(POST_ARGS)
 		mdoc->meta.msec = mandoc_strdup(nn->string);
 	}
 
-	if (NULL == (nn = nn->next))
-		goto out;
-
-	/*
-	 * If the third argument is a volume name, format is,
-	 * otherwise assume it's an architecture.
-	 */
+	/* Handle an optional architecture */
 
-	cp = mdoc_a2vol(nn->string);
-	if (cp) {
-		free(mdoc->meta.vol);
-		mdoc->meta.vol = mandoc_strdup(cp);
-	} else {
+	if ((nn = nn->next) != NULL) {
 		for (p = nn->string; *p; p++)
 			*p = tolower((unsigned char)*p);
 		mdoc->meta.arch = mandoc_strdup(nn->string);