Corrected a couple of typos in the Word document; worked through requests from Myke Cuthbert and Peter Bouma, predominantly related to mensural notation; added control codes for staff position and for time signature numerator/denominator position; fixed glyph names for Johnston accidentals up/down; added square breve glyph in noteheads group; moved 'thumb pizzicato' to plucked techniques group, where it is more correctly called 'left hand pizzicato'; moved 'croix' from miscellaneous group to new mensural accidentals group; added narrow and wide versions of 1- to 6-line staves.