BUTTONS:
  The "OK" button in this dialog updates the current editor with settings from this dialog.
  The "Save" button updates the editor and saves settings to disk.  The current printing-related settings are also saved.

SPECIAL KEYS:
  The ENTER key is interpreted by the editor in one of 5 different ways depending on which option is selected in this dialog.
  The CLEAR key backspaces until the text insertion bar reaches a line length that is evenly divisible by the current tab size.

SPECIAL MENU COMMANDS:
  "Copy As Table" copies selected text and converts (on clipboard) each group of spaces to a single tab character.
  "Tabs-To-Spaces" converts each tab character in a text selection to the equivalent number of spaces.

AUTO-SCROLLING NOTE:
  Releasing the mouse button during auto-scrolling will extend the selection to the top or bottom of text in an editor.