Rehearsal mark misalignment at key change

[Cameron Horsburgh]

In the following example the first rehearsal mark is centred over a bar
line as expected. The next bar line coincides with a key change, but the
rehearsal mark is offset to the right, causing a collision with the key
signature.

\version "2.7.40"

\relative c'{
\key c \major
c d e f \mark "A"|
c d e f \mark "B"|
\key g \major
c d e fis
}

Cameron