Hi Frank, This seems to be a pdfcomment question rather than one about LyX.
I tried markup=Underline,linewidth=29bp,color=red to no avail (the line width of the underline is not affected). PDF might support various thicknesses, but I can't see a way to do it in pdfcomment. On Tue, Aug 14, 2018 at 7:29 AM F M Salter <fmsal...@blueyonder.co.uk> wrote: > Hi > > Clearly pdf's can have underlines of differing thickness'. Is there > a way of increasing the thickness of underlines created by pdfcomments? > > Regards > > Frank Salter > > >