ensure_highlight

Description:

public void ensure_highlight (TextIter start, TextIter end)

Forces buffer to analyze and highlight the given area synchronously.

Note:

This is a potentially slow operation and should be used only when you need to make sure that some text not currently visible is highlighted, for instance before printing.

Parameters:

this	a SourceBuffer.
start	start of the area to highlight.
end	end of the area to highlight.