jack3rc configuration file format undocumented

[era]

The manual page says that the "--save" option will write out your selected options to the file ~/.jack3rc but not all options are written there, and some configuration directives are not available as options. For example, when I ran jack, it complained that the "base_dir" variable was not set, and I noticed that the value of the -Q option does not get written to the generated .jack3rc.

For what it's worth, here is what I ended up with. The file /usr/share/pyshared/jack_config.py shows what options are available and their internal names.

# jackrc-version:31
encoder:flac
# Undocumented, gleaned from error message
base_dir:flac
# Undocumented, will not be written here by --save; gleaned from source
query_on_start:1

$ lsb_release -rd
Description: Ubuntu 10.04.4 LTS
Release: 10.04

$ apt-cache policy jack
jack:
  Installed: 3.1.1+cvs20050801-26
  Candidate: 3.1.1+cvs20050801-26
  Version table:
 *** 3.1.1+cvs20050801-26 0
        500 http://mirrors.nic.funet.fi/ubuntu/ lucid/universe Packages
        100 /var/lib/dpkg/status