As shown in User manual, section "6.3.7 System start delimiters", the GrandStaff context example description indicates the system should start with a brace but the brace is missing.
http://lilypond.org/doc/v2.7/Documentation/user/out-www/lilypond.html#System-start-delimiters /Hans -- Proud user of Lilypond Music Typesetting Tools http://www.lilypond.org _______________________________________________ bug-lilypond mailing list bug-lilypond@gnu.org http://lists.gnu.org/mailman/listinfo/bug-lilypond