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The 'z' key allows you to zoom to an arbitrary box, including magnifications that are not possible with scrolling. 'u' provides a URL for direct linking to a re

by femto 5y ago

The 'z' key allows you to zoom to an arbitrary box, including magnifications that are not possible with scrolling. 'u' provides a URL for direct linking to a region. More keys are in the scripts, but these seem to be the useful ones.