[scribus] Lines in text frame disappear on PDF export

[a.l.e]

hi jjj
> I have a student workbook created in 1.3.5 RC3. There are lines for the
> student to write their answers on for four of the exercises. I created
> the lines in Scribus and then pasted them into the text frames. The
> lines in question are .5 point and in varying lengths.
>
> The lines all appear fine on the printout when I print directly from
> Scribus. But if I export from Scribus as PDF all the lines in two of
> the exercises do not make it into the PDF. The weird part is why the
> lines in the other two exercises do export and appear fine. As I
> created the exercises, I copied and pasted the lines used in the
> preceding exercises, adjusting them only for length. In other words,
> all the lines have the same properties except for length.
>
> This may be a bug, but before I run off to Mantis I thought I'd ask
> here. Maybe I failed to think of something.
>   

are the lines behind the text frame?

ciao
a.l.e