Color

- The ghistory graph bars can now be colored with 'color.history.add',
  'color.history.done' and 'color.history.delete' configuration variables.

doc/man/taskrc.5

@@ -615,6 +615,19 @@ useful when tasks are displayed over multiple lines due to long descriptions
 or annotations.
 .RE
 
+.TP
+.B color.history.add=on red
+.RE
+.br
+.B color.history.done=on green
+.RE
+.br
+.B color.history.delete=on yellow
+.RS
+Colors the bars on the ghistory report graphs.  Defaults to red, green and
+yellow bars.
+.RE
+
 .SS SHADOW FILE
 
 .TP