Multi-line copyright footer issue

[James Worlton]

Hello,

I'm trying to create a multi-line copyright notice, but the alignment is strange. I've tried:

\version "2.13.13"
\header {
    title = "Title"
    copyright = \markup \column { 
        \center-align { "Copyright © 2010 by Me" }
        \center-align { "All Rights Reserved" }
    }
}
{ c'1 }

And it's pretty obvious that the copyright column is shifted to the right.
Changing the copyright item in the header to:

copyright = \markup \column { 
        \line { "Copyright © 2010 by Me" }
        \line { "All Rights Reserved" }
    }

puts the column in the right place, but the separate lines are left-aligned and not
centered. Changing the copyright item again to:

copyright = \markup \center-column { 
        \line { "Copyright © 2010 by Me" }
        \line { "All Rights Reserved" }
    }

gives us the same problem as in the first example. I have a project that I did in
2.13.8 that gives the correct results with the last example. Is this a bug? Is there
a work-around for 2.13.13?

Thanks,
James Worlton