align

[config] concat two or more strings next to each others

document macros: both -D and syntax

don't require the strict order macro > options > servers

add -D to define macros from the cmd line

allow to define macros in the config file Macros can be defined at the top of the configuration file: dir = "/var/gemini" cert = "/etc/keys" and re-used later, for example server "foo" { root "$dir/foo" # -> /var/gemini/foo cert "$cert/foo.pem" # -> /etc/keys/foo.pem }

trailing whitespaces

give a name to the anonymous union

sync the usage; while there also change order and capitalize

mention -V/--version and --help in the manpage

define GMID_STRING and reuse-it GMID_VERSION follows the CGI/FastCGI style, i.e. project_name/version. Define GMID_STRING with a more "human" variant "project_name version", and reuse that in the --help and --version codepath.

add version in usage

use getprogname() in usage()

use getopt_long, add --help as synonym of -h and -V/--version

document `log' option