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When one of the files is selected in this panel the content of the selected file is shown in the document viewer.
The document viewer is a dockable window in the centre of FEWS.
When a text file is selected it can also be edited. To facilitate this an edit and save button are displayed above the document when selecting a text file.
The content of the forecast help dialog is depended of which node is selected in the forecaster panel.
When a new node is selected the content of the forecaster help dialog is automatically updated.
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