Add _i macro and instrument docstrings of ly/music-functions-init.ly.

diff --git a/ly/music-functions-init.ly b/ly/music-functions-init.ly
index 05ed471320d93d629567448e51ef7afe8a035df8..725ba480a59642102338ef6b8a4333f6264d4fe6 100644 (file)
--- a/ly/music-functions-init.ly
+++ b/ly/music-functions-init.ly
@@ -16,11 +16,10 @@ acciaccatura =
 
 addquote =
 #(define-music-function (parser location name music) (string? ly:music?)
-   "Add a piece of music to be quoted "
+   (_i "Add a piece of music to be quoted ")
    (add-quotable parser name music)
    (make-music 'SequentialMusic 'void #t))
 
-
 afterGraceFraction =
 #(cons 6 8)
 
@@ -153,8 +152,7 @@ bendAfter =
 clef =
 #(define-music-function (parser location type)
    (string?)
-   
-   "Set the current clef."
+   (_i "Set the current clef.")
 
    (make-clef-set type))
 
@@ -194,9 +192,8 @@ displayMusic =
 
 featherDurations=
 #(define-music-function (parser location factor argument) (ly:moment? ly:music?)
-
-   "Rearrange durations in ARGUMENT so there is an
-acceleration/deceleration. "
+   (_i "Rearrange durations in ARGUMENT so there is an
+acceleration/deceleration. ")
    
    (let*
        ((orig-duration (ly:music-length argument))
@@ -304,9 +301,9 @@ overrideProperty =
    (string? symbol? scheme?)
 
 
-   "Set @var{property} to @var{value} in all grobs named @var{name}.
+   (_i "Set @var{property} to @var{value} in all grobs named @var{name}.
 The @var{name} argument is a string of the form @code{\"Context.GrobName\"}
-or @code{\"GrobName\"}"
+or @code{\"GrobName\"}")
 
    (let*
        ((name-components (string-split name #\.))
@@ -346,7 +343,7 @@ removeWithTag =
 
 octave =
 #(define-music-function (parser location pitch-note) (ly:music?)
-   "octave check"
+   (_i "octave check")
 
    (make-music 'RelativeOctaveCheck
               'origin location
@@ -387,7 +384,7 @@ pitchedTrill =
    
 parenthesize =
 #(define-music-function (parser loc arg) (ly:music?)
-   "Tag @var{arg} to be parenthesized."
+   (_i "Tag @var{arg} to be parenthesized.")
 
    (set! (ly:music-property arg 'parenthesize) #t)
    arg)
@@ -397,7 +394,7 @@ parenthesize =
 
 parallelMusic =
 #(define-music-function (parser location voice-ids music) (list? ly:music?)
-  "Define parallel music sequences, separated by '|' (bar check signs),
+  (_i "Define parallel music sequences, separated by '|' (bar check signs),
 and assign them to the identifiers provided in @var{voice-ids}.
 
 @var{voice-ids}: a list of music identifiers (symbols containing only letters)
@@ -416,7 +413,7 @@ Example:
   B = { d d | e e | }
   C = { e e | f f | }
 @end verbatim
-"
+")
   (let* ((voices (apply circular-list (make-list (length voice-ids) (list))))
          (current-voices voices)
          (current-sequence (list)))
@@ -503,7 +500,7 @@ resetRelativeOctave  =
 #(define-music-function
     (parser location reference-note)
     (ly:music?)
-    "Set the octave inside a \\relative section."
+    (_i "Set the octave inside a \\relative section.")
 
    (let*
     ((notes (ly:music-property reference-note 'elements))
@@ -521,8 +518,7 @@ resetRelativeOctave  =
 
 shiftDurations =
 #(define-music-function (parser location dur dots arg) (integer? integer? ly:music?)
-   ""
-
+   (_i "")
    
    (music-map
     (lambda (x)
@@ -530,8 +526,8 @@ shiftDurations =
 
 spacingTweaks =
 #(define-music-function (parser location parameters) (list?)
-   "Set the system stretch, by reading the 'system-stretch property of
-   the `parameters' assoc list."
+   (_i "Set the system stretch, by reading the 'system-stretch property of
+the `parameters' assoc list.")
    #{
       \overrideProperty #"Score.NonMusicalPaperColumn"
         #'line-break-system-details
@@ -543,8 +539,8 @@ spacingTweaks =
 
 includePageLayoutFile = 
 #(define-music-function (parser location) ()
-   "If page breaks and tweak dump is not asked, and the file
-   <basename>-page-layout.ly exists, include it."
+   (_i "If page breaks and tweak dump is not asked, and the file
+<basename>-page-layout.ly exists, include it.")
    (if (not (ly:get-option 'dump-tweaks))
        (let ((tweak-filename (format #f "~a-page-layout.ly"
                                     (ly:parser-output-name parser))))
@@ -560,7 +556,7 @@ includePageLayoutFile =
 
 rightHandFinger =
 #(define-music-function (parser location finger) (number-or-string?)
-   "Define a StrokeFingerEvent"
+   (_i "Define a StrokeFingerEvent")
    
    (apply make-music
          (append
@@ -573,7 +569,7 @@ rightHandFinger =
 
 scoreTweak =
 #(define-music-function (parser location name) (string?)
-   "Include the score tweak, if exists."
+   (_i "Include the score tweak, if exists.")
    (if (and page-layout-parser (not (ly:get-option 'dump-tweaks)))
        (let ((tweak-music (ly:parser-lookup page-layout-parser
                                             (string->symbol name))))
@@ -587,11 +583,11 @@ transposedCueDuring =
   (parser location what dir pitch-note main-music)
   (string? ly:dir? ly:music? ly:music?)
 
-  "Insert notes from the part @var{what} into a voice called @code{cue},
+  (_i "Insert notes from the part @var{what} into a voice called @code{cue},
 using the transposition defined by @var{pitch-note}.  This happens
 simultaneously with @var{main-music}, which is usually a rest.  The
 argument @var{dir} determines whether the cue notes should be notated
-as a first or second voice."
+as a first or second voice.")
 
   (make-music 'QuoteMusic
              'element main-music
@@ -606,7 +602,7 @@ as a first or second voice."
 
 transposition =
 #(define-music-function (parser location pitch-note) (ly:music?)
-   "Set instrument transposition"
+   (_i "Set instrument transposition")
 
    (context-spec-music
     (make-property-set 'instrumentTransposition
@@ -616,8 +612,7 @@ transposition =
 tweak = #(define-music-function (parser location sym val arg)
           (symbol? scheme? ly:music?)
 
-          "Add @code{sym . val} to the @code{tweaks} property of @var{arg}."
-
+          (_i "Add @code{sym . val} to the @code{tweaks} property of @var{arg}.")
           
           (set!
            (ly:music-property arg 'tweaks)
@@ -628,7 +623,7 @@ tweak = #(define-music-function (parser location sym val arg)
 tag = #(define-music-function (parser location tag arg)
    (symbol? ly:music?)
 
-   "Add @var{tag} to the @code{tags} property of @var{arg}."
+   (_i "Add @var{tag} to the @code{tags} property of @var{arg}.")
 
    (set!
     (ly:music-property arg 'tags)
@@ -645,7 +640,7 @@ unfoldRepeats =
 
 withMusicProperty =
 #(define-music-function (parser location sym val music) (symbol? scheme? ly:music?)
-   "Set @var{sym} to @var{val} in @var{music}."
+   (_i "Set @var{sym} to @var{val} in @var{music}.")
 
    (set! (ly:music-property music sym) val)
    music)

diff --git a/scm/lily.scm b/scm/lily.scm
index 373012008b1b2279cc4c9ce29fa759404b565755..401017181cb39d460a5453caa72ae343cfb3788e 100644 (file)
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -5,6 +5,14 @@
 ;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
 
+;; Internationalisation: (_i "to be translated") gets an entry in the
+;; POT file (gettext ) must be invoked explicitely to do the actual
+;; "translation".
+;;(define-macro (_i x) x)
+;;(define-macro-public _i (x) x)
+;;(define-public-macro _i (x) x)
+;; Abbrv-PWR!
+(defmacro-public _i (x) x)
 
 (define (define-scheme-options)
   (for-each (lambda (x)