Micro-Map

Micro-Map is a vertical colored bar near editor's right border. To show it, turn on "Show micro-map bar" flag in the Options dialog.
It has functionality similar to vertical scroll-bar, but with additional coloring applied. You can click micro-map to scroll the document. While mouse cursor is over micro-map, statusbar shows hint with editor line number.

Bar shows the following colored labels:

• Full-width bar (light blue) - current editor view area
• Marks along left border - states of editor lines:
  • new line (green)
  • modified line (yellow)
  • saved line (dark blue)
• Marks along right border:
  • search marks (green)
  • misspelled words marks (red)

Notes:

• Search marks appear after "Find all" command performed, or after option "Highlight all occurences of selected word" has found some matches.
• Misspelled words marks appear after the "Live spelling" feature activates.