on @code{FingeringEvent} and one on @code{Fingering}.
The page on @code{FingeringEvent} describes the properties of the music
-expression for the input @code{-2}. The page contains many links
+expression for the input @w{@code{-2}}. The page contains many links
forward. For example, it says
@quotation
@item @code{\markup} commands
@item @code{\tag} commands
@item string markups, e.g. -"string"
-@item fingering instructions, e.g. @code{-1}
-@item articulation shortcuts, e.g. @code{-.}, @code{->}, @code{--}
+@item fingering instructions, e.g. @w{@code{-1}}
+@item articulation shortcuts, e.g. @w{@code{-.}}, @w{@code{->}}, @w{@code{--}}
@end itemize
Direction indicators affect only the next note:
by the @code{direction} property.
The value of the @code{direction} property may be
-set to @code{1}, meaning @qq{up} or @qq{above}, or to @code{-1},
+set to @code{1}, meaning @qq{up} or @qq{above}, or to @w{@code{-1}},
meaning @qq{down} or @qq{below}. The symbols @code{UP} and
-@code{DOWN} may be used instead of @code{1} and @code{-1}
+@code{DOWN} may be used instead of @code{1} and @w{@code{-1}}
respectively. The default direction may be specified by setting
@code{direction} to @code{0} or @code{CENTER}. Alternatively,
in many cases predefined commands
In a few cases, arpeggio being the only common example, the value
of the @code{direction} property specifies whether the object
is to be placed to the right or left of the parent object. In
-this case @code{-1} or @code{LEFT} means @qq{to the left} and
+this case @w{@code{-1}} or @code{LEFT} means @qq{to the left} and
@code{1} or @code{RIGHT} means @qq{to the right}. @code{0}
or @code{CENTER} means @qq{use the default} direction, as before.
@item attach-dir
This determines where the line starts and ends in the X-direction,
-relative to the bound object. So, a value of @code{-1} (or
+relative to the bound object. So, a value of @w{@code{-1}} (or
@code{LEFT}) makes the line start/end at the left side of the note
head it is attached to.
@end lilypond
Note that negative values move the text @emph{up}, contrary to the
-effect that might be expected, as a value of @code{-1} or
+effect that might be expected, as a value of @w{@code{-1}} or
@code{DOWN} means align the @emph{bottom} edge of the text with
the spanner line. A value of @code{1} or @code{UP} aligns
the top edge of the text with the spanner line.
value of @code{1}, is drawn after the staff lines (default
@code{layer} value @code{0}), so overwriting them. To change this,
the @code{Clef} object must be given in a lower value of
-@code{layer}, say @code{-1}, so that it is drawn earlier:
+@code{layer}, say @w{@code{-1}}, so that it is drawn earlier:
@lilypond[quote,verbatim,relative=2]
\override Staff.Clef #'color = #white
e2 \glissando f
@end lilypond
-The value for @code{Y} is set to @code{-2} for the right end
+The value for @code{Y} is set to @w{@code{-2}} for the right end
point. The left side may be similarly adjusted by specifying
@code{left} instead of @code{right}.
real value, in units of half the total X extent of the
object. Negative values move the object to the right, positive
to the left. A value of @code{0} centers the object on the
-reference point of its parent, a value of @code{-1} aligns the
+reference point of its parent, a value of @w{@code{-1}} aligns the
left edge of the object on the reference point of its parent,
and a value of @code{1} aligns the right edge of the object on the
reference point of its parent. The symbols @code{LEFT},
-@code{CENTER} and @code{RIGHT} may be used instead of the values
-@code{-1, 0, 1} respectively.
+@code{CENTER}, and @code{RIGHT} may be used instead of the values
+@w{@code{-1}}, @code{0}, and @code{1}, respectively.
Normally the @code{\override} command would be used to modify the
value of @code{self-alignment-X}, but the @code{\tweak} command
This may make adjusting the value of some objects tricky.
The units are just half the vertical extent of the object, which
is usually quite small, so quite large numbers may be required.
-A value of @code{-1} aligns the lower edge of the object with
+A value of @w{@code{-1}} aligns the lower edge of the object with
the reference point of the parent object, a value of @code{0}
aligns the center of the object with the reference point of the
parent, and a value of @code{1} aligns the top edge of the object
with the reference point of the parent. The symbols @code{DOWN},
-@code{CENTER}, @code{UP} may be substituted for @code{-1, 0, 1}
-respectively.
+@code{CENTER}, and @code{UP} may be substituted for @w{@code{-1}},
+@code{0}, and @code{1}, respectively.
@emph{Self-aligning objects in both directions}
@cindex Bézier curves, control points
@cindex control points, Bézier curves
-If the shape of the tie or slur which is calculated automatically is not
-optimum, the shape may be modified manually by explicitly specifying the
-control points required to define the curve needed.
-
-Ties, slurs and phrasing slurs are drawn as @q{third-order} Bézier
-curves which are are defined by four control points. The first and
-fourth control points are the start and end points of the curve
-respectively, and the two intermediate control points define the
-overall shape.
-
-Animations showing how the curve is drawn can be found on the web, but
-the following description may be helpful. The curve starts from the
-first control point moving towards the second. As the curve nears and
-passes through the second control point it begins to arc towards the
-third. The curve continues on towards the the third control point,
-again starting to arc as it nears and passes through the third so as to
-finish the curve smoothly at the fourth and final control point. The
-whole curve is contained in the quadrilateral defined by the four
-control points.
-
-Here is an example of a case where the tie is not optimum (and where the
-@code{\tieDown} command would not help).
+Ties, slurs and phrasing slurs are drawn as third-order Bézier
+curves. If the shape of the tie or slur which is calculated
+automatically is not optimum, the shape may be modified manually by
+explicitly specifying the four control points required to define
+a third-order Bézier curve.
+
+Third-order or cubic Bézier curves are defined by four control
+points. The first and fourth control points are precisely the
+starting and ending points of the curve. The intermediate two
+control points define the shape. Animations showing how the curve
+is drawn can be found on the web, but the following description
+may be helpful. The curve starts from the first control point
+heading directly towards the second, gradually bending over to
+head towards the third and continuing to bend over to head towards
+the fourth, arriving there travelling directly from the third
+control point. The curve is entirely contained in the
+quadrilateral defined by the four control points.
+
+Here is an example of a case where the tie is not optimum, and
+where @code{\tieDown} would not help.
@lilypond[verbatim,quote,relative=1]
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