Clef symbol after a barline

[David Sumbler]

At a repeat, if there is a clef sign within the first-time-bar, then it
is essential to restate the appropriate clef at the start of the
second-time-bar - but of course the clef sign needs to come after the
repeat barline, not before it in its usual position at a barline.

I tried the solution posted at
http://lists.gnu.org/archive/html/lilypond-user/2012-02/msg00913.html
and it works perfectly.

However, that was for Lilypond v.2.14.  As most of us are now using
v.2.18 or 2.19, I just wondered if there is perhaps now a more, shall I
say, "elegant" solution available.  I certainly couldn't find anything
in the manuals, but the fact that I couldn't find it doesn't prove that
there is nothing appropriate there!

David