+ADD_INTERFACE (Time_signature, "time-signature-interface",
+ "A time signature, in different styles.\n"
+" The following values for 'style are are recognized:\n"
+"\n"
+" @table @samp\n"
+" @item @code{C}\n"
+" 4/4 and 2/2 are typeset as C and struck C, respectively. All\n"
+" other time signatures are written with two digits.\n"
+"\n"
+" @item @code{neomensural}\n"
+" 2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are\n"
+" typeset with neo-mensural style mensuration marks. All other time\n"
+" signatures are written with two digits.\n"
+"\n"
+" @item @code{mensural}\n"
+" 2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are\n"
+" typeset with mensural style mensuration marks. All other time\n"
+" signatures are written with two digits.\n"
+"\n"
+" @item @code{single-digit}\n"
+" All time signatures are typeset with a single\n"
+" digit, e.g. 3/2 is written as 3.\n"
+" @end table\n"
+"\n"
+"See also the test-file @file{input/test/time.ly}.\n",
+ "fraction style");