*{.sh,run}: commands that take named arguments: usage messages: changed to use simpler bash syntax for specifying command-specific env vars, which does not require a subshell ("The environment for any simple command or function may be augmented temporarily by prefixing it with parameter assignments" <http://www.gnu.org/software/bash/manual/bash.html#Environment>)
*{.sh,run}: commands that take named arguments: usage messages: changed to use simpler bash syntax for specifying command-specific env vars, which does not require a subshell ("The environment for any simple command or function may be augmented temporarily by prefixing it with parameter assignments" <http://www.gnu.org/software/bash/manual/bash.html#Environment>)