mdocml: Make sure manuals in architecture-independent directories are

[schwarze@mdocml.bsd.lv]

Log Message:
-----------
Make sure manuals in architecture-independent directories are treated
as architecture-independent even if they abuse the third (architecture)
argument of the .Dt macro for random stuff like "freetds reference manual".
While the .Dt syntax is not the same as the .TH syntax in man(7),
punishing offenders by treating them as architecture-dependent and
hence completely excluding them from searches is too severe.
Problem reported by sthen@.

Modified Files:
--------------
    mdocml:
        dba.c

Revision Data
-------------
Index: dba.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/dba.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -Ldba.c -Ldba.c -u -p -r1.5 -r1.6
--- dba.c
+++ dba.c
@@ -177,7 +177,7 @@ dba_page_add(struct dba_array *page, int
 	if (ie == DBP_ARCH) {
 		if (entries == NULL)
 			return;
-		if (str == NULL) {
+		if (str == NULL || *str == '\0') {
 			dba_array_free(entries);
 			dba_array_set(page, DBP_ARCH, NULL);
 			return;
--
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