hadley/ggplot2 — pull request #660 by jrnold (2012-09-09 19:18:58+00:00)
Title: added fatten parameter to geom_pointrange and GeomPointrange

The relative size of the point to the lines in GeomPointrange was hardcoded as 4. I added a new parameter `fatten` (as in geom_crossbar) to `geom_pointrange` and `GeomPointrange` to allow the user to adjust the size of the point.