[vile] Limitations of :g commands

[Decklin Foster]

Today (okay, so I only installed vile yesterday) I found myself needing
to do something with every other line in a file.  In vi, the rhs of :g
is just an ex command, so this can be done in a not-very-pretty way by
specifiying a relative range, like

:g/^/+d

to delete every other line.  According to the help file (and poking
around), however, my choices here are somewhat limited, and +d does not
work.  Is there a better way to do this that also works in vile?  Or
some other way to communicate a range to the command?  If not, how crazy
would this be to implement?

Sorry if this has been asked before; all I could find were the new
list's archives.

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