The R Project SVN R

Last modification

• Rev 0 – 8008 d 18 h
• Author: murrell

• Log message:

  Fix to remove lingering dependency of grid on base graphics
  Graphics engine now keeps track of whether a device is dirty and
  individual graphics systems can keep track separately of whether they
  have dirtied the device.
  Base only checks validity of device if it has dirtied the device.