Adds a highlight to the view.

  Adds a highlight to the view. Returns a tag that can be used
to refer to the highlight.
Returns: an object that refers to the highlight
Parameters:
- p0 - the beginning of the range >= 0
- p1 - the end of the range >= p0
- p - the painter to use for the actual highlighting
Throws:
- BadLocationException - for an invalid range specification

  Changes the given highlight to span a different portion of the document.

  Changes the given highlight to span a different portion of
the document. This may be more efficient than a remove/add
when a selection is expanding/shrinking (such as a sweep
with a mouse) by damaging only what changed.
Parameters:
- tag - which highlight to change
- p0 - the beginning of the range >= 0
- p1 - the end of the range >= p0
Throws:
- BadLocationException - for an invalid range specification

  Called when the UI is being removed from the interface of a JTextComponent.

  Called when the UI is being removed from the
interface of a JTextComponent. This is used to
unregister any listeners that were attached.
Parameters:
- c - the JTextComponent editor

  Fetches the current list of highlights.

  Fetches the current list of highlights.
Returns: the highlight list

  Called when the UI is being installed into the interface of a JTextComponent.

  Called when the UI is being installed into the
interface of a JTextComponent. This can be used
to gain access to the model that is being navigated
by the implementation of this interface.
Parameters:
- c - the JTextComponent editor

  Renders the highlights.

  Renders the highlights.
Parameters:
- g - the graphics context.

Removes all highlights this highlighter is responsible for.

  Removes a highlight from the view.

  Removes a highlight from the view.
Parameters:
- tag - which highlight to remove