[frogs] [PATCH]: Add missing docstrings in music-functions-init.ly

[Ian Hulin <ian@xxxxxxxxxxxx>]

I found three functions with missing docstrings.  Patch attached.

Cheers,

Ian Hulin

From 2b427f62d1061692a035d11fc2943a07fe909c30 Mon Sep 17 00:00:00 2001
From: Ian Hulin <ian@nanny-ogg.(none)>
Date: Fri, 11 Sep 2009 22:46:41 +0100
Subject: [PATCH] Add three functions with missing documentation strings:
 partcombine,
 pitchedTrill
 quoteDuring

Signed-off-by: Ian Hulin <ian@nanny-ogg.(none)>
---
 ly/music-functions-init.ly |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/ly/music-functions-init.ly b/ly/music-functions-init.ly
index a57a17b..2cc0e5e 100644
--- a/ly/music-functions-init.ly
+++ b/ly/music-functions-init.ly
@@ -583,11 +583,14 @@ parenthesize =
 
 partcombine =
 #(define-music-function (parser location part1 part2) (ly:music? ly:music?)
-		(make-part-combine-music parser
+(_i "Take the music in @var{part1} and @var{part2} and typeset so that they share a staff")
+    (make-part-combine-music parser
 					 (list part1 part2)))
 
 pitchedTrill =
 #(define-music-function
+(_i "Print a trill with @var{main-note} as the main note of the trill and 
+print @var{secondary-note} as stemless note head in parentheses")
    (parser location main-note secondary-note)
    (ly:music? ly:music?)
    (let*
@@ -621,6 +624,10 @@ pitchedTrill =
 
 quoteDuring =
 #(define-music-function
+(_i "Indicate a section of music to be quoted.  @var{what} indicates the name 
+of the quoted voice, as specified in a @code{\addquote} command.  
+@var{main-music} is used to indicate the length of music to be quoted;
+usually contains spacers or multi-measure rests.")
   (parser location what main-music)
   (string? ly:music?)
   (make-music 'QuoteMusic
-- 
1.6.0.4