Document zip_file_set_comment.
diff --git a/man/Makefile.am b/man/Makefile.am
index 87c4cc5..a6febbb 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -23,6 +23,7 @@
 	zip_file_add.mdoc \
 	zip_file_get_comment.mdoc \
 	zip_file_rename.mdoc \
+	zip_file_set_comment.mdoc \
 	zip_file_strerror.mdoc \
 	zip_fopen.mdoc \
 	zip_fopen_encrypted.mdoc \
diff --git a/man/zip_file_set_comment.mdoc b/man/zip_file_set_comment.mdoc
new file mode 100644
index 0000000..1b15b63
--- /dev/null
+++ b/man/zip_file_set_comment.mdoc
@@ -0,0 +1,109 @@
+.\" zip_file_set_comment.mdoc -- set comment for file in zip
+.\" Copyright (C) 2006-2012 Dieter Baron and Thomas Klausner
+.\"
+.\" This file is part of libzip, a library to manipulate ZIP files.
+.\" The authors can be contacted at <libzip@nih.at>
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in
+.\"    the documentation and/or other materials provided with the
+.\"    distribution.
+.\" 3. The names of the authors may not be used to endorse or promote
+.\"    products derived from this software without specific prior
+.\"    written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd June 23, 2012
+.Dt ZIP_FILE_SET_COMMENT 3
+.Os
+.Sh NAME
+.Nm zip_file_set_comment
+.Nd set comment for file in zip
+.Sh LIBRARY
+libzip (-lzip)
+.Sh SYNOPSIS
+.In zip.h
+.Ft int
+.Fn zip_set_file_comment "struct zip *archive" "zip_uint64_t index" \
+"const char *comment" "zip_uint16_t len" "zip_flags_t flags"
+.Sh DESCRIPTION
+The
+.Fn zip_file_set_comment
+function sets the comment for the file at position
+.Ar index
+in the zip archive to
+.Ar comment
+of length
+.Ar len .
+If
+.Ar comment
+is
+.Dv NULL
+and
+.Ar len
+is 0, the file comment will be removed.
+The
+.Ar flags
+argument can be a combination of:
+.Bl -tag -width XZIPXFLXENCXSTRICTXX
+.It Dv ZIP_FL_ENC_GUESS
+Guess encoding of
+.Ar comment
+(default).
+.It Dv ZIP_FL_ENC_UTF_8
+Interpret
+.Ar comment
+as UTF-8.
+.It Dv ZIP_FL_ENC_CP437
+Interpret
+.Ar comment
+as code page 437 (CP-437).
+.El
+.Sh RETURN VALUES
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+.Ar archive
+is set to indicate the error.
+.Sh ERRORS
+.Fn zip_file_set_comment
+fails if:
+.Bl -tag -width Er
+.It Bq Er ZIP_ER_INVAL
+.Ar index
+is not a valid file index in
+.Ar archive ,
+or
+.Ar len
+is less than 0 or longer than the maximum comment length in a zip file
+(65535), or
+.Ar comment
+is not a valid UTF-8 encoded string.
+.It Bq Er ZIP_ER_MEMORY
+Required memory could not be allocated.
+.El
+.Sh SEE ALSO
+.Xr libzip 3 ,
+.Xr zip_get_archive_comment 3 ,
+.Xr zip_file_get_comment 3 ,
+.Xr zip_set_archive_comment 3
+.Sh AUTHORS
+.An -nosplit
+.An Dieter Baron Aq dillo@giga.or.at
+and
+.An Thomas Klausner Aq tk@giga.or.at
diff --git a/man/zip_set_file_comment.mdoc b/man/zip_set_file_comment.mdoc
index 62d3c16..5fbb558 100644
--- a/man/zip_set_file_comment.mdoc
+++ b/man/zip_set_file_comment.mdoc
@@ -29,7 +29,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd February 20, 2012
+.Dd June 23, 2012
 .Dt ZIP_SET_FILE_COMMENT 3
 .Os
 .Sh NAME
@@ -45,52 +45,22 @@
 .Sh DESCRIPTION
 The
 .Fn zip_set_file_comment
-function sets the comment for the file at position
-.Ar index
-in the zip archive to
-.Ar comment
-of length
-.Ar len .
-If
-.Ar comment
-is
-.Dv NULL
-and
+function is the obsolete version of
+.Xr zip_file_set_comment 3 .
+The only differences are the type of the
 .Ar len
-is 0, the file comment will be removed.
-.Ar comment
-must be encoded in ASCII or UTF-8.
-.Sh RETURN VALUES
-Upon successful completion 0 is returned.
-Otherwise, \-1 is returned and the error information in
-.Ar archive
-is set to indicate the error.
-.Sh ERRORS
+argument and the additional
+.Ar flags
+argument.
 .Fn zip_set_file_comment
-fails if:
-.Bl -tag -width Er
-.It Bq Er ZIP_ER_ENCMISMATCH
-The file name is encoded in CP437 and the file comment is in UTF-8.
-Workaround: see
-.Xr zip_rename 3 .
-.It Bq Er ZIP_ER_INVAL
-.Ar index
-is not a valid file index in
-.Ar archive ,
-or
-.Ar len
-is less than 0 or longer than the maximum comment length in a zip file
-(65535), or
-.Ar comment
-is not a valid UTF-8 encoded string.
-.It Bq Er ZIP_ER_MEMORY
-Required memory could not be allocated.
-.El
+is the same as calling
+.Xr zip_file_set_comment 3
+with an empty
+.Ar flags
+argument.
 .Sh SEE ALSO
 .Xr libzip 3 ,
-.Xr zip_get_archive_comment 3 ,
-.Xr zip_get_file_comment 3 ,
-.Xr zip_set_archive_comment 3
+.Xr zip_file_set_comment 3
 .Sh AUTHORS
 .An -nosplit
 .An Dieter Baron Aq dillo@giga.or.at