Issue 4224: Remove unused music properties

Removed properties are "compress-procedure", "events", and "prob-property".

diff --git a/scm/define-music-properties.scm b/scm/define-music-properties.scm
index f20952b56fe75bb926df362d80b14e68c24237cf..80ec374cd0fc85d73331ed5b027133cdb89dc736 100644 (file)
--- a/scm/define-music-properties.scm
+++ b/scm/define-music-properties.scm
@@ -67,8 +67,6 @@ cautionary accidental.")
      (change-to-id ,string? "Name of the context to change to.")
      (change-to-type ,symbol? "Type of the context to change to.")
      (class ,symbol? "The class name of an event class.")
-     (compress-procedure ,procedure? "Compress this music expression.
-Arg@tie{}1: the music, arg@tie{}2: factor.")
      (context ,ly:context? "The context to which an event is sent.")
      (context-id ,string? "Name of context.")
      (context-type ,symbol?  "Type of context.")
@@ -92,7 +90,6 @@ simultaneous music, or the alternatives of repeated music.")
 a sequential iterator.  Takes a single music parameter.")
      (error-found ,boolean?
                   "If true, a parsing error was found in this expression.")
-     (events ,list? "A list of events contained in this event.")
 
      (figure ,integer? "A bass figure.")
      (footnote-text ,markup? "Text to appear in a footnote.")
@@ -158,7 +155,6 @@ Options are @code{solo1}, @code{solo2} and @code{unisono}.")
 of a key signature.")
      (pop-first ,boolean? "Do a revert before we try to do an override
 on some grob property.")
-     (prob-property ,symbol? "The symbol of the prob property to set.")
      (procedure ,procedure? "The function to run with @code{\\applycontext}.
 It must take a single argument, being the context.")
      (property-operations ,list? "Do these operations for instantiating