/usr/share/lilypond/2.16.2/scm/layout-slur.scm is in lilypond-data 2.16.2-3.
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 | ;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 2000--2012 Jan Nieuwenhuizen <janneke@gnu.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/>.
;
; this is put into the slur-details property of Slur and PhrasingSlur
(define default-slur-details
'((region-size . 4)
(head-encompass-penalty . 1000.0)
(stem-encompass-penalty . 30.0)
(edge-attraction-factor . 4)
(same-slope-penalty . 20)
(steeper-slope-factor . 50)
(non-horizontal-penalty . 15)
(max-slope . 1.1)
(max-slope-factor . 10)
(free-head-distance . 0.3)
(free-slur-distance . 0.8)
(extra-object-collision-penalty . 50)
(accidental-collision . 3)
(extra-encompass-free-distance . 0.3)
(extra-encompass-collision-distance . 0.8)
(head-slur-distance-max-ratio . 3)
(head-slur-distance-factor . 10)
(absolute-closeness-measure . 0.3)
(edge-slope-exponent . 1.7)
(close-to-edge-length . 2.5)
(encompass-object-range-overshoot . 0.5)
(slur-tie-extrema-min-distance . 0.2)
(slur-tie-extrema-min-distance-penalty . 2)
))
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