/usr/share/lilypond/2.14.2/scm/document-identifiers.scm is in lilypond-data 2.14.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | ;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation, either version 3 of the License, or
;;;; (at your option) any later version.
;;;;
;;;; LilyPond is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;;; GNU General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
(use-modules (ice-9 format))
(define (document-music-function music-func-pair)
(let*
((name-sym (car music-func-pair))
(music-func (cdr music-func-pair))
(func (ly:music-function-extract music-func))
(arg-names
(map symbol->string
(cddr (cadr (procedure-source func)))))
(doc (procedure-documentation func))
(sign (object-property func 'music-function-signature))
(type-names (map type-name sign))
(signature-str
(string-join
(map (lambda (x) (format "@var{~a} (~a)"
(car x)
(cadr x)))
(zip arg-names type-names)))))
(format
"@item @code{~a}~a~a
@findex ~a
~a
"
name-sym (if (equal? "" signature-str) "" " - ") signature-str
name-sym
(if doc doc "(undocumented; fixme)"))))
(define (document-object obj-pair)
(cond
((ly:music-function? (cdr obj-pair))
(document-music-function obj-pair))
(else
#f)))
(define (identifier<? a b)
(ly:string-ci<?
(symbol->string (car a))
(symbol->string (car b))))
(define-public (identifiers-doc-string)
(format
"@table @asis
~a
@end table
"
(string-join
(filter
identity
(map
document-object
(sort
(ly:module->alist (current-module))
identifier<?)))
"")))
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