Homepage: http://code.google.com/p/dea/source/browse/trunk/my-lisps/linum%2B.el
Author: ahei
Updated:
Extension of linum
This extension of linum can smart control width of line number displayed, If visible line number of current buffer is from 1 to 50, then width of line number is 2, and visible line number of current buffer is from 100 to 150, then width of line number is 3. and use it, you can customize line number format with linum+-dynamic-format even if linum-format is 'dynamic. Its screenshots is http://emacser.com/screenshots/linum+/linum+1.png and http://emacser.com/screenshots/linum+/linum+2.png . For more details, see article Use linum+ smart display line number http://emacser.com/linum-plus.htm