Document a bit more, and note which function effects are missing.

--HG--
branch : HEAD
diff --git a/man/zip_close.mdoc b/man/zip_close.mdoc
index c3c12ff..8cdbf53 100644
--- a/man/zip_close.mdoc
+++ b/man/zip_close.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_close.mdoc,v 1.5 2004/11/17 21:55:15 wiz Exp $
+.\" $NiH: zip_close.mdoc,v 1.6 2004/11/30 22:26:55 wiz Exp $
 .\"
 .\" zip_close.mdoc -- close zip archive
 .\" Copyright (C) 2003 Dieter Baron and Thomas Klausner
@@ -72,13 +72,20 @@
 .Dv NULL .
 .It Bq Er ZIP_ER_MEMORY
 Required memory could not be allocated.
+.It Bq Er ZIP_ER_NOZIP
+File is not a zip archive.
+.It Bq Er ZIP_ER_READ
+A file read failed.
+See
+.Va errno
+for details.
 .It Bq Er ZIP_ER_RENAME
 A temporary file could not be renamed to its final name.
 See
 .Va errno
 for details.
 .It Bq Er ZIP_ER_SEEK
-A file seek  failed.
+A file seek failed.
 See
 .Va errno
 for details.
@@ -87,7 +94,12 @@
 See
 .Va errno
 for details.
-.\" XXX: list incomplete
+.It Bq Er ZIP_ER_WRITE
+A file write failed.
+See
+.Va errno
+for details.
+.\" XXX: list incomplete: add_data, copy_data
 .El
 .Sh SEE ALSO
 .Xr zip_open 3