manpages: small formatting improvements

- use `.Os` to show "Void Linux" in the footer
- use `Aq Mt` to display email addresses
- use `.Lk` for the bug link
- remove unnecessary use of `.Nm <name>` when already defined
- add xbps-alternatives(1) to SEE ALSO where missing
- bump date

bin/xbps-rindex/xbps-rindex.1

@@ -1,10 +1,11 @@
-.Dd February 21, 2020
+.Dd Feb 9, 2023
 .Dt XBPS-RINDEX 1
+.Os
 .Sh NAME
 .Nm xbps-rindex
 .Nd XBPS utility to manage local binary package repositories
 .Sh SYNOPSIS
-.Nm xbps-rindex
+.Nm
 .Op OPTIONS
 .Ar MODE
 .Op ARGUMENTS
@@ -96,6 +97,7 @@ If this is set, it will use this passphrase for the RSA private key when signing
 a repository. Otherwise it will ask you to enter the passphrase on the terminal.
 .El
 .Sh SEE ALSO
+.Xr xbps-alternatives 1 ,
 .Xr xbps-checkvers 1 ,
 .Xr xbps-create 1 ,
 .Xr xbps-dgraph 1 ,
@@ -111,10 +113,11 @@ a repository. Otherwise it will ask you to enter the passphrase on the terminal.
 .Xr xbps-uunshare 1 ,
 .Xr xbps.d 5
 .Sh AUTHORS
-.An Juan Romero Pardines <xtraeme@gmail.com>
-.An Enno Boland <gottox@voidlinux.org>
+.An Juan Romero Pardines Aq Mt xtraeme@gmail.com
+.An Enno Boland Aq Mt gottox@voidlinux.org
 .Sh BUGS
 Probably, but I try to make this not happen. Use it under your own
 responsibility and enjoy your life.
 .Pp
-Report bugs at https://github.com/void-linux/xbps/issues
+Report bugs at
+.Lk https://github.com/void-linux/xbps/issues