[Rd] Legend Title missing (PR#9226)

[mok2 at enthalpy.physics.buffalo.edu]

Full_Name: Mark O. Kimball
Version: 2.1
OS: Linux
Submission from: (NULL) (128.253.11.148)


When log="x" is used in a plot() function, the legend "title" option creates
room for the text but does not display it. When the log="x" function is
disabled, the text is again displayed. The symbols and/or lines and legend text
is not affected.