Put section and architecture info into the keys table,

in preparation for removing them from the mpages table,
aiming for cleaner and more uniform interfaces.
Database growth is below 4%, part of which will be reclaimed.

As a bonus, this allows searches like:
./obj/apropos An=kettenis -a arch=ppc
./obj/apropos An=kettenis -a sec~[^4]

1 files changed, 10 insertions, 2 deletions

diff --git a/mandocdb.c b/mandocdb.c
index c6e8ff7c..c6680163 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1024,9 +1024,17 @@ mpages_merge(struct mchars *mc, struct mparse *mp, int check_reachable)
 			mpage->title =
 			    mandoc_strdup(mpage->mlinks->name);
 		}
-
-		for (mlink = mpage->mlinks; mlink; mlink = mlink->next)
+		putkey(mpage, mpage->sec, TYPE_sec);
+		putkey(mpage, mpage->arch, TYPE_arch);
+
+		for (mlink = mpage->mlinks; mlink; mlink = mlink->next) {
+			if ('\0' != *mlink->dsec)
+				putkey(mpage, mlink->dsec, TYPE_sec);
+			if ('\0' != *mlink->fsec)
+				putkey(mpage, mlink->fsec, TYPE_sec);
+			putkey(mpage, mlink->arch, TYPE_arch);
 			putkey(mpage, mlink->name, TYPE_Nm);
+		}
 
 		if (warnings && !use_all) {
 			match = 0;