===================================================================
RCS file: /cvs/mandoc/Attic/mandocdb.8,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -p -r1.2 -r1.3
--- mandoc/Attic/mandocdb.8	2011/07/15 10:15:24	1.2
+++ mandoc/Attic/mandocdb.8	2011/07/15 17:59:29	1.3
@@ -1,4 +1,4 @@
-.\"	$Id: mandocdb.8,v 1.2 2011/07/15 10:15:24 kristaps Exp $
+.\"	$Id: mandocdb.8,v 1.3 2011/07/15 17:59:29 kristaps Exp $
 .\"
 .\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -22,38 +22,55 @@
 .Nd index UNIX manuals
 .Sh SYNOPSIS
 .Nm
-.Ar dir...
+.Op Fl v
+.Op Ar dir...
+.Nm
+.Op Fl v
+.Fl d Ar dir
+.Op Ar
+.Nm
+.Op Fl v
+.Fl u Ar dir
+.Op Ar
 .Sh DESCRIPTION
 The
 .Nm
 utility extracts keywords from
 .Ux
-manuals and indexes them for fast retrieval.
+manuals and indexes them in a
+.Sx Keyword Database
+and
+.Sx Index Database
+for fast retrieval.
 The arguments are as follows:
 .Bl -tag -width Ds
+.It Fl d Ar dir
+Remove
+.Ar
+from the databases in
+.Ar dir .
+.It Fl u Ar dir
+Update (remove and re-add)
+.Ar
+from the databases in
+.Ar dir .
 .It Ar dir...
-Recursively scan for
-.Xr mdoc 7
-and
-.Xr man 7
-.Ux
-manual files in each
+Recursively add files rooted at each
 .Ar dir
-directory.
-.Sx Index Database
-and
-.Sx Keyword Database
-files are installed in each
-.Ar dir
-directory.
+to the databases in the respective
+.Ar dir .
 Existing databases are truncated.
+.It Fl v
+Verbose operation.
+Use once to display all files added or removed and twice for keywords as
+well.
 .El
 .Pp
 By default,
 .Nm
-does nothing: the
-.Ar dir...
-invocation must be used.
+creates databases in each
+.Ar dir
+using files rooted in that directory.
 .Pp
 If fatal parse errors are encountered while parsing, the offending file
 is printed to stderr, omitted from the index, and the parse continues
@@ -79,7 +96,8 @@ a nil-terminated architecture
 and a nil-terminated description.
 .El
 .Pp
-Both the manual section and description may be zero-length.
+Both the manual section and description may be zero-length if the record
+is unassigned.
 Entries are sequentially-numbered, but the filenames are unordered.
 .Ss Keyword Database
 The keyword database,
@@ -134,11 +152,11 @@ utility is
 .Ud
 .Sh IMPLEMENTATION NOTES
 The time to construct a new database pair grows linearly with the
-number of keywords in the input.
+number of keywords in the input files.
 However, removing or updating entries with
-.Fl r
+.Fl u
 or
-.Fl u ,
+.Fl d ,
 respectively, grows as a multiple of the index length and input size.
 .Sh FILES
 .Bl -tag -width Ds
@@ -172,7 +190,9 @@ to exit at once, possibly in the middle of parsing or 
 The output databases are corrupt and should be removed .
 .El
 .Sh SEE ALSO
-.Xr mandoc 1
+.Xr mandoc 1 ,
+.Xr btree 3 ,
+.Xr recno 3
 .Sh AUTHORS
 The
 .Nm