color(optional)Used to indicate visual appearance. Do not confuse this with the musical term 'color'
                                             as used in pre-CMN notation.
                                             Value conforms to data.COLOR.
                                              
                                    enclose(optional)Records the characters often used to mark accidentals, articulations, and sometimes
                                             notes as having a cautionary or editorial function. For an example of cautionary
                                             accidentals enclosed in parentheses, see Read, p. 131, ex. 9-14.
                                             Value conforms to data.ENCLOSURE.
                                              
                                    endho(optional)Records the horizontal adjustment of a feature’s programmatically-determined end
                                             point.
                                             Value conforms to data.MEASUREMENTSIGNED.
                                              
                                    endto(optional)Records a timestamp adjustment of a feature’s programmatically-determined end
                                             point.
                                             Value conforms to data.TSTAMPOFFSET.
                                              
                                    extender(optional)Indicates the presence of an extension symbol, typically a line.
                                             Value conforms to data.BOOLEAN.
                                              
                                    fontfam(optional)Contains the name of a font-family.
                                             Value conforms to data.FONTFAMILY.
                                              
                                    fontname(optional)Holds the name of a font.
                                             Value conforms to data.FONTNAME.
                                              
                                    fontsize(optional)Indicates the size of a font expressed in printers' points, i.e., 1/72nd of an inch,
                                             relative terms, e.g., small, larger, etc., or percentage values relative to normal
                                             size, e.g., 125%. 
                                             Value conforms to data.FONTSIZE.
                                              
                                    fontstyle(optional)Records the style of a font, i.e., italic, oblique, or normal.
                                             Value conforms to data.FONTSTYLE.
                                              
                                    fontweight(optional)Used to indicate bold type.
                                             Value conforms to data.FONTWEIGHT.
                                              
                                    ho(optional)Records a horizontal adjustment to a feature’s programmatically-determined location
                                             in
                                             terms of staff interline distance; that is, in units of 1/2 the distance between adjacent
                                             staff lines.
                                             Value conforms to data.MEASUREMENTSIGNED.
                                              
                                    
                                    lendsym.size(optional)Holds the relative size of the line-end symbol.
                                             Value conforms to data.FONTSIZESCALE.
                                              
                                    letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing
                                             property.
                                             Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
                                              
                                    lform(optional)Describes the style of a line.
                                             Value conforms to data.LINEFORM.
                                              
                                    
                                    lsegs(optional)Describes the number of segments into which a dashed or dotted line may be divided,
                                             or
                                             the number of "peaks" of a wavy line; a pair of space-separated values (minimum and
                                             maximum, respectively) provides a range between which a rendering system-supplied
                                             value
                                             may fall, while a single value indicates a fixed amount of space; that is, the minimum
                                             and
                                             maximum values are equal.
                                             One or two values of datatype 
                                                a positive integer no smaller than 2, separated by a space.
                                             
                                    
                                    lstartsym.size(optional)Holds the relative size of the line-start symbol.
                                             Value conforms to data.FONTSIZESCALE.
                                              
                                    
                                    place(optional)Captures the placement of the item with respect to the staff with which it is
                                             associated.
                                             Value conforms to data.STAFFREL.
                                              
                                    startho(optional)Records the horizontal adjustment of a feature’s programmatically-determined start
                                             point.
                                             Value conforms to data.MEASUREMENTSIGNED.
                                              
                                    startto(optional)Records a timestamp adjustment of a feature’s programmatically-determined start
                                             point.
                                             Value conforms to data.TSTAMPOFFSET.
                                              
                                    to(optional)Records a timestamp adjustment of a feature’s programmatically-determined location
                                             in
                                             terms of musical time; that is, beats.
                                             Value conforms to data.TSTAMPOFFSET.
                                              
                                    vgrp(optional)Provides a label for members of a vertically aligned group.
                                             Value is a positive integer.
                                             
                                    vo(optional)Records the vertical adjustment of a feature’s programmatically-determined location
                                             in
                                             terms of staff interline distance; that is, in units of 1/2 the distance between adjacent
                                             staff lines.
                                             Value conforms to data.MEASUREMENTSIGNED.
                                              
                                    x(optional)Encodes an x coordinate for a feature in an output coordinate system. When it is
                                             necessary to record the placement of a feature in a facsimile image, use the facs
                                             attribute.
                                             Value is a decimal number.
                                             
                                    y(optional)Encodes a y coordinate for a feature in an output coordinate system. When it is
                                             necessary to record the placement of a feature in a facsimile image, use the facs
                                             attribute.
                                             Value is a decimal number.