add man page for zip_fopen and zip_fopen_index
add infrastructure for multi-function man pages

--HG--
branch : HEAD

man/zip_open.mdoc

diff --git a/man/zip_open.mdoc b/man/zip_open.mdoc
index 0f7b9ee..65a70f7 100644
--- a/man/zip_open.mdoc
+++ b/man/zip_open.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_open.mdoc,v 1.6 2003/10/02 15:52:56 wiz Exp $
+.\" $NiH: zip_open.mdoc,v 1.7 2003/10/02 16:00:55 dillo Exp $
 .\"
 .\" zip_open.mdoc -- open zip archive
 .\" Copyright (C) 2003 Dieter Baron and Thomas Klausner
@@ -79,6 +79,9 @@
 The named archive is opened unless:
 .Bl -tag -width Er
 .It Bq Er ZERR_EXISTS
+The named archive exists and
+.Dv ZIP_EXCL
+is set.
 .It Bq Er ZERR_INVAL
 The
 .Ar path