Docs: NR Tweak command: can't be used to modify stems,

[lilypond.git] / Documentation / user / changing-defaults.itely

diff --git a/Documentation/user/changing-defaults.itely b/Documentation/user/changing-defaults.itely
index e3f01e12151a917546cf389c7ee8bdb74005e88f..3e2db8538bef72fbe84a7617ab9799d9fd8f446f 100644 (file)
--- a/Documentation/user/changing-defaults.itely
+++ b/Documentation/user/changing-defaults.itely
@@ -602,6 +602,7 @@ to indicate improvisation in jazz pieces,
   \name ImproVoice
   \type "Engraver_group"
   \consists "Note_heads_engraver"
+  \consists "Rhythmic_column_engraver"
   \consists "Text_engraver"
   \consists Pitch_squash_engraver
   squashedPosition = #0
@@ -611,7 +612,6 @@ to indicate improvisation in jazz pieces,
 }
 \context { \Staff
   \accepts "ImproVoice"
-  \remove "Rest_collision_engraver" % FIXME: avoid segfault
 }}
 
 \relative c'' {
@@ -1522,12 +1522,12 @@ and @code{\tweak} may be used to modify any single occurrence of
 these items.
 
 Notably the @code{\tweak} command cannot be used to modify stems,
-beams or accidentals, since these are generated later by note heads,
-rather than by music elements in the input stream.  Nor can a
-@code{\tweak} command be used to modify clefs or time signatures,
-since these become separated from any preceding @code{\tweak}
-command in the input stream by the automatic insertion of extra
-elements required to specify the context.
+beams or accidentals directly, since these are generated later by
+note heads, rather than by music elements in the input stream.
+Nor can a @code{\tweak} command be used to modify clefs or time
+signatures, since these become separated from any preceding
+@code{\tweak} command in the input stream by the automatic
+insertion of extra elements required to specify the context.
 
 But the @code{\tweak} command can be used as an alternative to
 the @code{\override} command to modify those notational elements