Qt terminal and dashed lines

[Daniel J S. <dan...@ie...>]

Related to the dashed lines issue, someone noticed that {solid|dashed} 
is not listed in the documentation for the Qt terminal even though these 
terms are accepted and appear to do something relevant.  The user 
appears to not be able to get the proper dashed setting with a 
combination of "termoption" and "term", even though inside gnuplot the 
test page seems to function in a sensible way.  I'd say hold off on that 
other than perhaps adding {solid|dashed} to the Qt terminal 
documentation.  Fixing the x11 term is higher priority.

Dan