regen
diff --git a/man/zip_error_clear.html b/man/zip_error_clear.html
index 8d91d62..755c150 100644
--- a/man/zip_error_clear.html
+++ b/man/zip_error_clear.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_error_clear.mdoc -- clear error state for archive or file
-   Copyright (C) 2006-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_error_clear.man b/man/zip_error_clear.man
index 5ccda3f..8d50f86 100644
--- a/man/zip_error_clear.man
+++ b/man/zip_error_clear.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_error_clear.mdoc -- clear error state for archive or file
-.\" Copyright (C) 2006-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_error_set.html b/man/zip_error_set.html
index b9bd08f..be8ee8b 100644
--- a/man/zip_error_set.html
+++ b/man/zip_error_set.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_error_set.mdoc -- set zip_error
-   Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_error_set.man b/man/zip_error_set.man
index 9bc4cb8..b412813 100644
--- a/man/zip_error_set.man
+++ b/man/zip_error_set.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_error_set.mdoc -- set zip_error
-.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_errors.html b/man/zip_errors.html
index e7ad240..3d79d97 100644
--- a/man/zip_errors.html
+++ b/man/zip_errors.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_errors.mdoc -- list of all libzip error codes
-   Copyright (C) 1999-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 1999-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_errors.man b/man/zip_errors.man
index ba9ae9b..2f5a2b4 100644
--- a/man/zip_errors.man
+++ b/man/zip_errors.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_errors.mdoc -- list of all libzip error codes
-.\" Copyright (C) 1999-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 1999-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_fdopen.html b/man/zip_fdopen.html
index 7cbb6ad..1400be0 100644
--- a/man/zip_fdopen.html
+++ b/man/zip_fdopen.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_fdopen.mdoc -- open zip archive using existing file descriptor
-   Copyright (C) 2009-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2009-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_fdopen.man b/man/zip_fdopen.man
index 359e5ce..42e329c 100644
--- a/man/zip_fdopen.man
+++ b/man/zip_fdopen.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_fdopen.mdoc -- open zip archive using existing file descriptor
-.\" Copyright (C) 2009-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2009-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_add.html b/man/zip_file_add.html
index 162faee..0479132 100644
--- a/man/zip_file_add.html
+++ b/man/zip_file_add.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_add.mdoc -- add files to zip archive
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_add.man b/man/zip_file_add.man
index 7962b2e..735c6ac 100644
--- a/man/zip_file_add.man
+++ b/man/zip_file_add.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_add.mdoc -- add files to zip archive
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_get_comment.html b/man/zip_file_get_comment.html
index 49de8ac..5172659 100644
--- a/man/zip_file_get_comment.html
+++ b/man/zip_file_get_comment.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_get_comment.mdoc -- get comment for file in zip
-   Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2006-2020 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>
diff --git a/man/zip_file_get_comment.man b/man/zip_file_get_comment.man
index 67506f7..ca30955 100644
--- a/man/zip_file_get_comment.man
+++ b/man/zip_file_get_comment.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_get_comment.mdoc -- get comment for file in zip
-.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2020 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>
diff --git a/man/zip_file_rename.html b/man/zip_file_rename.html
index b4f2336..ede47c6 100644
--- a/man/zip_file_rename.html
+++ b/man/zip_file_rename.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_rename.mdoc -- rename file in zip archive
-   Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_rename.man b/man/zip_file_rename.man
index 580e518..4a64fe0 100644
--- a/man/zip_file_rename.man
+++ b/man/zip_file_rename.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_rename.mdoc -- rename file in zip archive
-.\" Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_set_comment.html b/man/zip_file_set_comment.html
index 9ea7604..83e5c38 100644
--- a/man/zip_file_set_comment.html
+++ b/man/zip_file_set_comment.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_set_comment.mdoc -- set comment for file in zip
-   Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2006-2020 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>
diff --git a/man/zip_file_set_comment.man b/man/zip_file_set_comment.man
index 0c65168..1238ff4 100644
--- a/man/zip_file_set_comment.man
+++ b/man/zip_file_set_comment.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_set_comment.mdoc -- set comment for file in zip
-.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2020 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>
diff --git a/man/zip_file_set_encryption.html b/man/zip_file_set_encryption.html
index a64d5e0..57fe808 100644
--- a/man/zip_file_set_encryption.html
+++ b/man/zip_file_set_encryption.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_set_encryption.mdoc -- set encryption method for file
-   Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2016-2020 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>
diff --git a/man/zip_file_set_encryption.man b/man/zip_file_set_encryption.man
index da983f9..3becfcf 100644
--- a/man/zip_file_set_encryption.man
+++ b/man/zip_file_set_encryption.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_set_encryption.mdoc -- set encryption method for file
-.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2020 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>
diff --git a/man/zip_file_strerror.html b/man/zip_file_strerror.html
index 019efe0..f12b7e0 100644
--- a/man/zip_file_strerror.html
+++ b/man/zip_file_strerror.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_file_strerror.mdoc -- get string representation for a zip error
-   Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_file_strerror.man b/man/zip_file_strerror.man
index db2b16d..2c90df6 100644
--- a/man/zip_file_strerror.man
+++ b/man/zip_file_strerror.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_file_strerror.mdoc -- get string representation for a zip error
-.\" Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_fopen_encrypted.html b/man/zip_fopen_encrypted.html
index fd4ec77..e8860b6 100644
--- a/man/zip_fopen_encrypted.html
+++ b/man/zip_fopen_encrypted.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_fopen_encrypted.mdoc -- open encrypted file in zip archive for reading
-   Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2011-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_fopen_encrypted.man b/man/zip_fopen_encrypted.man
index dfa5ab0..bd96457 100644
--- a/man/zip_fopen_encrypted.man
+++ b/man/zip_fopen_encrypted.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_fopen_encrypted.mdoc -- open encrypted file in zip archive for reading
-.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2011-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_ftell.html b/man/zip_ftell.html
index 94f19e9..cd19203 100644
--- a/man/zip_ftell.html
+++ b/man/zip_ftell.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_ftell.mdoc -- tell position in file
-   Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2016-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_ftell.man b/man/zip_ftell.man
index d3b6a2e..66951c3 100644
--- a/man/zip_ftell.man
+++ b/man/zip_ftell.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_ftell.mdoc -- tell position in file
-.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_get_archive_comment.html b/man/zip_get_archive_comment.html
index f8d6483..fb2b6bd 100644
--- a/man/zip_get_archive_comment.html
+++ b/man/zip_get_archive_comment.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_get_archive_comment.mdoc -- get zip archive comment
-   Copyright (C) 2006-2018 Dieter Baron and Thomas Klausner
+   Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_get_archive_comment.man b/man/zip_get_archive_comment.man
index 0c1cfa1..d38695a 100644
--- a/man/zip_get_archive_comment.man
+++ b/man/zip_get_archive_comment.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_get_archive_comment.mdoc -- get zip archive comment
-.\" Copyright (C) 2006-2018 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_get_name.html b/man/zip_get_name.html
index f0c37db..daaeafa 100644
--- a/man/zip_get_name.html
+++ b/man/zip_get_name.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_get_name.mdoc -- get name of file by index
-   Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_get_name.man b/man/zip_get_name.man
index 74ec792..0354938 100644
--- a/man/zip_get_name.man
+++ b/man/zip_get_name.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_get_name.mdoc -- get name of file by index
-.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_name_locate.html b/man/zip_name_locate.html
index acb69d0..9bf526d 100644
--- a/man/zip_name_locate.html
+++ b/man/zip_name_locate.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_name_locate.mdoc -- get index of file by name
-   Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_name_locate.man b/man/zip_name_locate.man
index 1d07565..e512330 100644
--- a/man/zip_name_locate.man
+++ b/man/zip_name_locate.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_name_locate.mdoc -- get index of file by name
-.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_open.html b/man/zip_open.html
index 6670737..31d0ac2 100644
--- a/man/zip_open.html
+++ b/man/zip_open.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_open.mdoc -- open zip archive
-   Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_open.man b/man/zip_open.man
index 5bf7cb3..2f701e6 100644
--- a/man/zip_open.man
+++ b/man/zip_open.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_open.mdoc -- open zip archive
-.\" Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_set_archive_comment.html b/man/zip_set_archive_comment.html
index 4f9b113..20d5fc9 100644
--- a/man/zip_set_archive_comment.html
+++ b/man/zip_set_archive_comment.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_set_archive_comment.mdoc -- set zip archive comment
-   Copyright (C) 2006-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_set_archive_comment.man b/man/zip_set_archive_comment.man
index 2b5d9d2..3eff8e7 100644
--- a/man/zip_set_archive_comment.man
+++ b/man/zip_set_archive_comment.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_set_archive_comment.mdoc -- set zip archive comment
-.\" Copyright (C) 2006-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_set_default_password.html b/man/zip_set_default_password.html
index 8349fae..f77e636 100644
--- a/man/zip_set_default_password.html
+++ b/man/zip_set_default_password.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_set_default_password.mdoc -- set default password for zip
-   Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2011-2020 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>
diff --git a/man/zip_set_default_password.man b/man/zip_set_default_password.man
index 36acad8..5abc1c9 100644
--- a/man/zip_set_default_password.man
+++ b/man/zip_set_default_password.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_set_default_password.mdoc -- set default password for zip
-.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2011-2020 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>
diff --git a/man/zip_set_file_compression.html b/man/zip_set_file_compression.html
index 887c35c..fbdb531 100644
--- a/man/zip_set_file_compression.html
+++ b/man/zip_set_file_compression.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_set_file_compression.mdoc -- set compression method and its flags
-   Copyright (C) 2012-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2012-2020 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>
diff --git a/man/zip_set_file_compression.man b/man/zip_set_file_compression.man
index 15bacde..7f12f8d 100644
--- a/man/zip_set_file_compression.man
+++ b/man/zip_set_file_compression.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_set_file_compression.mdoc -- set compression method and its flags
-.\" Copyright (C) 2012-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2020 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>
diff --git a/man/zip_source.html b/man/zip_source.html
index 2877ed3..b4239b8 100644
--- a/man/zip_source.html
+++ b/man/zip_source.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source.mdoc -- description of zip data source
-   Copyright (C) 2014-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source.man b/man/zip_source.man
index 6b3098d..74cf8ce 100644
--- a/man/zip_source.man
+++ b/man/zip_source.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source.mdoc -- description of zip data source
-.\" Copyright (C) 2014-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_buffer.html b/man/zip_source_buffer.html
index b491747..7fe433f 100644
--- a/man/zip_source_buffer.html
+++ b/man/zip_source_buffer.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_buffer.mdoc -- create zip data source from buffer
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_buffer.man b/man/zip_source_buffer.man
index 2d6909c..68405b6 100644
--- a/man/zip_source_buffer.man
+++ b/man/zip_source_buffer.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_buffer.mdoc -- create zip data source from buffer
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_buffer_fragment.html b/man/zip_source_buffer_fragment.html
index 7464560..1889e78 100644
--- a/man/zip_source_buffer_fragment.html
+++ b/man/zip_source_buffer_fragment.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_buffer_fragment.mdoc -- create zip data source from multiple buffers
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_buffer_fragment.man b/man/zip_source_buffer_fragment.man
index 772df19..4bec0d3 100644
--- a/man/zip_source_buffer_fragment.man
+++ b/man/zip_source_buffer_fragment.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_buffer_fragment.mdoc -- create zip data source from multiple buffers
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_close.html b/man/zip_source_close.html
index 7a565bf..8974bd2 100644
--- a/man/zip_source_close.html
+++ b/man/zip_source_close.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_close.mdoc -- close zip source (open for reading)
-   Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
+   Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_close.man b/man/zip_source_close.man
index 0fa873c..d014b39 100644
--- a/man/zip_source_close.man
+++ b/man/zip_source_close.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_close.mdoc -- close zip source (open for reading)
-.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_file.html b/man/zip_source_file.html
index e6643f9..2b7826f 100644
--- a/man/zip_source_file.html
+++ b/man/zip_source_file.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_file.mdoc -- create data source from a file
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_file.man b/man/zip_source_file.man
index 307c2a7..c907c64 100644
--- a/man/zip_source_file.man
+++ b/man/zip_source_file.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_file.mdoc -- create data source from a file
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_filep.html b/man/zip_source_filep.html
index f7d91e9..1be73da 100644
--- a/man/zip_source_filep.html
+++ b/man/zip_source_filep.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_filep.mdoc -- create data source from a file stream
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_filep.man b/man/zip_source_filep.man
index c9d1853..d2c8f0e 100644
--- a/man/zip_source_filep.man
+++ b/man/zip_source_filep.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_filep.mdoc -- create data source from a file stream
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_function.html b/man/zip_source_function.html
index 814085e..dcb841f 100644
--- a/man/zip_source_function.html
+++ b/man/zip_source_function.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_function.mdoc -- create data source from function
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_function.man b/man/zip_source_function.man
index 4d43f99..d995ee5 100644
--- a/man/zip_source_function.man
+++ b/man/zip_source_function.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_function.mdoc -- create data source from function
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_stat.html b/man/zip_source_stat.html
index 91ae69c..20af995 100644
--- a/man/zip_source_stat.html
+++ b/man/zip_source_stat.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_stat.mdoc -- get information about zip source
-   Copyright (C) 2014-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_stat.man b/man/zip_source_stat.man
index cb8443b..e45969d 100644
--- a/man/zip_source_stat.man
+++ b/man/zip_source_stat.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_stat.mdoc -- get information about zip source
-.\" Copyright (C) 2014-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32a.html b/man/zip_source_win32a.html
index 5461b7e..87befdf 100644
--- a/man/zip_source_win32a.html
+++ b/man/zip_source_win32a.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_win32a.mdoc -- create data source using a win32 ANSI name
-   Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32a.man b/man/zip_source_win32a.man
index a6f279c..b93d273 100644
--- a/man/zip_source_win32a.man
+++ b/man/zip_source_win32a.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_win32a.mdoc -- create data source using a win32 ANSI name
-.\" Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32handle.html b/man/zip_source_win32handle.html
index 5eeb48d..4930c29 100644
--- a/man/zip_source_win32handle.html
+++ b/man/zip_source_win32handle.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_handle.mdoc -- create data source from a Windows file handle
-   Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32handle.man b/man/zip_source_win32handle.man
index e7462cd..096b6a7 100644
--- a/man/zip_source_win32handle.man
+++ b/man/zip_source_win32handle.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_handle.mdoc -- create data source from a Windows file handle
-.\" Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32w.html b/man/zip_source_win32w.html
index 4e616f0..c428037 100644
--- a/man/zip_source_win32w.html
+++ b/man/zip_source_win32w.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_win32w.mdoc -- create data source using a win32 Unicode name
-   Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_win32w.man b/man/zip_source_win32w.man
index 557a628..3113980 100644
--- a/man/zip_source_win32w.man
+++ b/man/zip_source_win32w.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_win32w.mdoc -- create data source using a win32 Unicode name
-.\" Copyright (C) 2015-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_zip.html b/man/zip_source_zip.html
index ec8dd75..f504372 100644
--- a/man/zip_source_zip.html
+++ b/man/zip_source_zip.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zip_source_zip.mdoc -- create data source from zip file
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
diff --git a/man/zip_source_zip.man b/man/zip_source_zip.man
index 9719115..4a74025 100644
--- a/man/zip_source_zip.man
+++ b/man/zip_source_zip.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zip_source_zip.mdoc -- create data source from zip file
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
diff --git a/man/zipcmp.html b/man/zipcmp.html
index ddb397e..4ebca69 100644
--- a/man/zipcmp.html
+++ b/man/zipcmp.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zipcmp.mdoc -- compare zip archives
-   Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
@@ -56,7 +56,7 @@
 <table class="Nm">
   <tr>
     <td><code class="Nm">zipcmp</code></td>
-    <td>[<code class="Fl">-hipqtVv</code>] <var class="Ar">archive1
+    <td>[<code class="Fl">-ChipqtVv</code>] <var class="Ar">archive1
       archive2</var></td>
   </tr>
 </table>
@@ -69,13 +69,17 @@
   CRCs. File order and compressed size differences are ignored.
 <p class="Pp">Supported options:</p>
 <dl class="Bl-tag">
+  <dt><a class="permalink" href="#C"><code class="Fl" id="C">-C</code></a></dt>
+  <dd>Check consistency of archives. Results in an error if archive is
+      inconsistent or not valid according to the zip specification.</dd>
   <dt><a class="permalink" href="#h"><code class="Fl" id="h">-h</code></a></dt>
   <dd>Display a short help message and exit.</dd>
   <dt><a class="permalink" href="#i"><code class="Fl" id="i">-i</code></a></dt>
   <dd>Compare names ignoring case distinctions.</dd>
   <dt><a class="permalink" href="#p"><code class="Fl" id="p">-p</code></a></dt>
-  <dd>Enable paranoid checks. Compares extra fields and other meta data.
-      (Automatically disabled if one of the archives is a directory.)</dd>
+  <dd>Enable paranoid checks. Compares extra fields, comments, and other meta
+      data. (Automatically disabled if one of the archives is a directory.)
+      These checks are skipped for files where the data differs.</dd>
   <dt><a class="permalink" href="#q"><code class="Fl" id="q">-q</code></a></dt>
   <dd>Quiet mode. Compare <code class="Fl">-v</code>.</dd>
   <dt><a class="permalink" href="#t"><code class="Fl" id="t">-t</code></a></dt>
@@ -114,7 +118,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">March 17, 2021</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zipcmp.man b/man/zipcmp.man
index fe84821..b7744e8 100644
--- a/man/zipcmp.man
+++ b/man/zipcmp.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zipcmp.mdoc -- compare zip archives
-.\" Copyright (C) 2003-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIPCMP" "1" "December 18, 2017" "NiH" "General Commands Manual"
+.TH "ZIPCMP" "1" "March 17, 2021" "NiH" "General Commands Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -39,7 +39,7 @@
 .SH "SYNOPSIS"
 .HP 7n
 \fBzipcmp\fR
-[\fB\-hipqtVv\fR]
+[\fB\-ChipqtVv\fR]
 \fIarchive1\ archive2\fR
 .SH "DESCRIPTION"
 \fBzipcmp\fR
@@ -53,6 +53,11 @@
 .PP
 Supported options:
 .TP 5n
+\fB\-C\fR
+Check consistency of archives.
+Results in an error if archive is inconsistent or not valid
+according to the zip specification.
+.TP 5n
 \fB\-h\fR
 Display a short help message and exit.
 .TP 5n
@@ -61,8 +66,9 @@
 .TP 5n
 \fB\-p\fR
 Enable paranoid checks.
-Compares extra fields and other meta data.
+Compares extra fields, comments, and other meta data.
 (Automatically disabled if one of the archives is a directory.)
+These checks are skipped for files where the data differs.
 .TP 5n
 \fB\-q\fR
 Quiet mode.
diff --git a/man/zipmerge.html b/man/zipmerge.html
index e81d8c3..c31d54a 100644
--- a/man/zipmerge.html
+++ b/man/zipmerge.html
@@ -2,7 +2,7 @@
 <html>
 <!-- This is an automatically generated file.  Do not edit.
    zipmerge.mdoc -- merge zip archives
-   Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+   Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
   
    This file is part of libzip, a library to manipulate ZIP archives.
    The authors can be contacted at <libzip@nih.at>
@@ -114,10 +114,17 @@
   <span class="An">Thomas Klausner</span>
   &lt;<a class="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>&gt;
 </section>
+<section class="Sh">
+<h1 class="Sh" id="CAVEATS"><a class="permalink" href="#CAVEATS">CAVEATS</a></h1>
+<code class="Nm">zipmerge</code> uses one open file descriptor per zip archive.
+  If you need to merge a lot of zip archives, check your shell's file descriptor
+  ulimit and either increase it or run <code class="Nm">zipmerge</code> multiple
+  times with e.g. 1000 source zip archives each time.
+</section>
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">March 17, 2021</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zipmerge.man b/man/zipmerge.man
index 088b346..ffe998b 100644
--- a/man/zipmerge.man
+++ b/man/zipmerge.man
@@ -1,6 +1,6 @@
 .\" Automatically generated from an mdoc input file.  Do not edit.
 .\" zipmerge.mdoc -- merge zip archives
-.\" Copyright (C) 2004-2019 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2020 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIPMERGE" "1" "December 18, 2017" "NiH" "General Commands Manual"
+.TH "ZIPMERGE" "1" "March 17, 2021" "NiH" "General Commands Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -95,3 +95,10 @@
 Dieter Baron <\fIdillo@nih.at\fR>
 and
 Thomas Klausner <\fItk@giga.or.at\fR>
+.SH "CAVEATS"
+\fBzipmerge\fR
+uses one open file descriptor per zip archive.
+If you need to merge a lot of zip archives, check your shell's
+file descriptor ulimit and either increase it or run
+\fBzipmerge\fR
+multiple times with e.g. 1000 source zip archives each time.