Fixing typo in netctl.1.txt.
Formatting/typo in man pages
mobile_ppp: Unhardcode the phone number to dial
1.6 release updates
wpa: add Frequency= option

This option sets a frequency to use in ad-hoc mode for a newly created IBSS
(when it is going to be created).
Minor fixes

- Don't bring an interface down if it is not brought up for wireless
connections.

- Often, `read` needs '-r'.
Fix default interface bindings (fourth time)

The following changes introduced in Bash 4.3 necessitate this commit:
- Setting the array attribute no longer initializes an array.
- Empty-but-set arrays no longer pass [[ -v ]].

Previous attempts:
feb669f4b2a15e6ea1d84be336f12be4650f9d2d
711c46457ae9fef52c7c529d89c67d0d526f73ef
e8210827fd59e4539a70af55cb452b211633fedd
Fix pid lookup for killing pppd

The pid file contains more than just the pid: on the second line it
records the interface pppd manages.
Add is-enabled subcommand to netctl
1.7 release updates
Typos in docs

Somehow, these have gone unnoticed for quite some time.
Escape hatch for the restrictive umask

Some things should not be run with the restrictive umask.
This provides a means to do so: do_readable.
Remove superfluous debugging
Add support for IPv6 with dhcpcd (FS#39531)

This requires dhcpcd 6.4.0 or newer.
1.8 release updates
Document support for IPv6 with dhcpcd
Update tunnel connections

Add support for IPv6 and improve debug output.