Source: utils/editor/edit_show_select.pro
edit_show_select Mark the selected region on a plot. Usage: edit_show_select, state Argument: select double input The time range to mark toff double input The offset used in the plot. Keyword: hatch If set, then display the selection as a hatched region rather than inverting the region. History: Extracted from editor and hatch key added: 16/2/01; SJT