+ "The brace, bracket or bar in front of the system. The "
+ "following values for @code{style} are recognized:\n"
+ "\n"
+ "@table @code\n"
+ "@item bracket\n"
+ " A thick bracket, normally used to group similar "
+ " instruments in a score. Default for @code{StaffGroup}. "
+ " @code{SystemStartBracket} uses this style.\n"
+ "@item brace\n"
+ " A @q{piano style} brace normally used for an instrument "
+ " that uses two staves. The default style for "
+ " @code{GrandStaff}. @code{SystemStartBrace} uses this "
+ " style.\n"
+ "@item bar-line\n"
+ " A simple line between the staves in a score. Default "
+ " for staves enclosed in @code{<<} and @code{>>}. "
+ " @code{SystemStartBar} uses this style.\n"
+ "@item line-bracket\n"
+ " A simple square, normally used for subgrouping "
+ " instruments in a score. @code{SystemStartSquare} uses "
+ " this style.\n"
+ "@end table\n"
+ "\n"
+ "See also @file{input/regression/system-start-nesting.ly}.",