This command lets you safely edit the users list created by the
package command. It locks the file before launching the editor, hence protecting
against any concurrent update by some package command that could
arrive at the same time (by e-mail). The level of protection this locking
buys you depends on the locking policy you have configured in
If you are within a package source tree, all you need to say is
to edit the users file for that package. In order for that particular
feature to work properly, the package must have been placed under dist control,
or at least the packinit command from the dist package must have been
Otherwise, you may specify
a system name, and optionally a version number if that is not enough to
disambiguate. Using - will get you the lattest version available.
In any case, there must be a proper setting of the distribs file
to use this command. If that file is not accurate, the package
command will not be able to produce a users file anyway.