website/docs: mention require_vesrion
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@ -44,7 +44,7 @@ and space (the new machine contains a copy of the base box's image).
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Using linked clones can drastically reduce this overhead.
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Linked clones are based on a master VM, which is generated by importing the
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base box only once the first time it is required. For the linked clones only
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base box only once the first time it is required. For the linked clones only
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differencing disk images are created where the parent disk image belongs to
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the master VM.
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@ -62,6 +62,9 @@ config.vm.provider 'virtualbox' do |v|
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end
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```
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If you don't want backward compatbility and want to force users to
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support linked cloning, you can use `Vagrant.require_version` with 1.8.
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<div class="alert alert-info">
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<strong>Note:</strong> the generated master VMs are currently not removed
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automatically by Vagrant. This has to be done manually. However, a master
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