Doc-es: update Tweaks, Changing defaults, Expressive, Fretted.

[lilypond.git] / Documentation / changes.tely

diff --git a/Documentation/changes.tely b/Documentation/changes.tely
index baadc90f4edfd565942b002cea173977e4b9131b..f2266666d0c793686afba12d6aec076e92a71fb4 100644 (file)
--- a/Documentation/changes.tely
+++ b/Documentation/changes.tely
@@ -62,16 +62,58 @@ which scares away people.
 @end ignore
 
 @item
-Horizontal space is allowed for tempo and rehearsal marks,
-so that these marks do not overlap each other.
-A new command @code{\markLengthOff} turns this feature off.
-@lilypond[quote,relative=0]
-\compressFullBarRests
-\tempo "Molto vivace" c''2 c'
-\mark\default
-\tempo "Meno mosso" R1*16
+Decimal numbers can now be written directly in music,
+without a hash sign.  Together with the previous change
+in the way object properties are specified, the code to
+change the length of stems has changed from this:
+@example
+\override Stem #'length = #5.6
+e' f' g' a'
+@end example
+to this:
+@example
+\override Stem.length = 5.6
+e' f' g' a'
+@end example
+
+One has to write a digit on both sides of the dot -- values like
+@code{4.} or @code{-.3} are not allowed.
+
+Decimal fractions are also not accepted in @code{\chordmode}.
+
+@item
+A number of shorthands like @code{(}, @code{)}, @code{|},
+@code{[}, @code{]}, @code{~}, @code{\(}, @code{\)} and others can
+now freely be redefined like normal commands.  An example would be
+@lilypond[verbatim,quote]
+"\\{" = (
+"\\}" = )
+"(" = \melisma
+")" = \melismaEnd
+
+\new Staff <<
+  \relative c' {
+    c8 \{ d e f \} % slurred
+    g ( a b c ) % no slur, but with melisma
+    c,1 \bar "|."
+   }
+   \addlyrics { Li -- ly -- pond. }
+>>
 @end lilypond
 
+@item
+The articulation shorthand for @code{\staccatissimo} has been
+renamed from @code{-|} to@tie{}@code{-!}.
+
+@item
+Tempo change ranges are now written as @code{\tempo 4 = 60 - 68}
+rather than @code{\tempo 4 = 60 ~ 68}.
+
+@item
+Grob @code{OctavateEight} was renamed to @code{ClefModifier}.
+Related context properties were renamed from @code{xxxOctavationyyy}
+to @code{xxxTranspositionyyy}.
+
 @item
 There is a new @code{\absolute} command explicitly marking music
 as being entered in absolute pitch.  While this has been the
@@ -171,6 +213,41 @@ contains @code{\transposition}.  Previously,
 was equivalent to @code{\transposition f'}.  Now it stays
 equivalent to @code{\transposition bes'}.
 
+@item
+When checking for collisions, LilyPond no longer treats objects as
+rectangles.  Instead, the actual shape of objects is approximated
+using an integral-like approach.  This generally results in more
+even and snug positioning of objects and systems:
+
+@lilypond[relative=1]
+#(ly:set-option 'debug-skylines #t)
+\dynamicUp
+c'4\f a4\f d\f( f)
+a,4\< c c c\!
+d4-.\downbow a4^"r'venu..." c \tempo "T1" e
+@end lilypond
+
+Previously, the above snippet looked like this:
+
+@lilypond[relative=1]
+#(ly:set-option 'debug-skylines #t)
+\override Hairpin #'vertical-skylines = #'()
+\override DynamicText #'vertical-skylines = #'()
+\override TextScript #'vertical-skylines = #'()
+\override Score.MetronomeMark #'vertical-skylines = #'()
+\override Staff.Clef #'vertical-skylines = #'()
+\dynamicUp
+c'4\f a4\f d\f( f)
+a,4\< c c c\!
+d4-.\downbow a4^"r'venu..." c \tempo "T1" e
+@end lilypond
+
+Affected objects include @code{Accidentals}, @code{Beams}, @code{Clefs},
+@code{Dynamics}, @code{FiguredBass}, @code{Flags}, @code{Glissandos},
+@code{Lyrics}, @code{MetronomeMarks}, @code{OttavaBrackets},
+@code{Pedals}, @code{RehearsalMarks}, @code{Rests}, @code{Scripts},
+@code{TextScripts}, @code{Ties}, @code{Tuplets} and @code{VoltaBrackets}.
+
 @item
 Tuplets are now created with the @code{\tuplet} command, which
 takes a fraction @code{@var{t}/@var{n}} to specify that @var{t}
@@ -224,7 +301,7 @@ than@tie{}0.  The byte offset (also part of @code{textedit}
 @acronym{URI}s) still starts at@tie{}0.
 
 @item
-The @code{\clef} command supports optional octavation:
+The @code{\clef} command supports optional transposition:
 @lilypond[verbatim,quote,relative=1]
 \clef "treble_(8)"
 c2 c
@@ -288,10 +365,10 @@ than their traditional positions, or in multiple octaves.
 @lilypond[quote,relative=0]
 \override Staff.KeySignature #'flat-positions = #'((-5 . 5))
 \override Staff.KeyCancellation #'flat-positions = #'((-5 . 5))
-\clef bass \key es\major es g bes d
-\clef treble \bar "||" \key es\major es g bes d
+\clef bass \key es \major es g bes d
+\clef treble \bar "||" \key es \major es g bes d
 \override Staff.KeySignature #'sharp-positions = #'(2)
-\bar "||" \key d\major b fis b2
+\bar "||" \key d \major b fis b2
 @end lilypond
 
 @end itemize