Applies scheme indentation according to the GNU guidelines

scm/titling.scm

 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
 ;;;; Copyright (C) 2004--2012 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;          Han-Wen Nienhuys <hanwen@xs4all.nl>
 ;;;;
 ;;;; 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/>.
 
 (define-public (layout-extract-page-properties layout)
   (list (append `((line-width . ,(ly:paper-get-number
-                                 layout 'line-width)))
-                (ly:output-def-lookup layout 'text-font-defaults))))
+                                  layout 'line-width)))
+                (ly:output-def-lookup layout 'text-font-defaults))))
 
 ;;;;;;;;;;;;;;;;;;
 
 (define-public ((marked-up-headfoot what-odd what-even)
                 layout scopes page-number is-last-bookpart is-bookpart-last-page)
   "Read variables @var{what-odd}, @var{what-even} from @var{layout},
 and interpret them as markup.  The @var{props} argument will include
 variables set in @var{scopes} and @code{page:is-bookpart-last-page},
 @code{page:is-last-bookpart}, @code{page:page-number-string}, and
-@code{page:page-number}." 
+@code{page:page-number}."
 
   (define (get sym)
     (ly:output-def-lookup layout sym))
 
   (define (interpret-in-page-env potential-markup)
     (if (markup? potential-markup)
-        (let* ((alists (map ly:module->alist scopes))
-               (prefixed-alists
-                (map (lambda (alist)
-                       (map (lambda (entry)
-                              (cons
-                               (string->symbol
-                                (string-append
-                                 "header:"
-                                 (symbol->string (car entry))))
-                               (cdr entry)))
-                            alist))
-                     alists))
-               (pgnum-alist
-                (list
-                 (cons 'header:tagline
-                       (ly:modules-lookup scopes 'tagline
-                                          (ly:output-def-lookup layout 'tagline)))
-                 (cons 'page:is-last-bookpart is-last-bookpart)
-                 (cons 'page:is-bookpart-last-page is-bookpart-last-page)
-                 (cons 'page:page-number-string
-                       (number->string page-number))
-                 (cons 'page:page-number page-number)))
-               (props (append
-                       (list pgnum-alist)
-                       prefixed-alists
-                       (layout-extract-page-properties layout))))
-          (interpret-markup layout props potential-markup))
+        (let* ((alists (map ly:module->alist scopes))
+               (prefixed-alists
+                (map (lambda (alist)
+                       (map (lambda (entry)
+                              (cons
+                               (string->symbol
+                                (string-append
+                                 "header:"
+                                 (symbol->string (car entry))))
+                               (cdr entry)))
+                            alist))
+                     alists))
+               (pgnum-alist
+                (list
+                 (cons 'header:tagline
+                       (ly:modules-lookup scopes 'tagline
+                                          (ly:output-def-lookup layout 'tagline)))
+                 (cons 'page:is-last-bookpart is-last-bookpart)
+                 (cons 'page:is-bookpart-last-page is-bookpart-last-page)
+                 (cons 'page:page-number-string
+                       (number->string page-number))
+                 (cons 'page:page-number page-number)))
+               (props (append
+                       (list pgnum-alist)
+                       prefixed-alists
+                       (layout-extract-page-properties layout))))
+          (interpret-markup layout props potential-markup))
 
-        empty-stencil))
+        empty-stencil))
 
   (interpret-in-page-env
    (if (and (even? page-number)
-            (markup? (get what-even)))
+            (markup? (get what-even)))
        (get what-even)
        (get what-odd))))
 
 (define-public ((marked-up-title what) layout scopes)
   "Read variables @var{what} from @var{scopes}, and interpret it as markup.
 The @var{props} argument will include variables set in @var{scopes} (prefixed
 with `header:'."
-  
+
   (define (get sym)
     (let ((x (ly:modules-lookup scopes sym)))
       (if (markup? x) x #f)))
 
   (let* ((alists (map ly:module->alist scopes))
-         (prefixed-alist
-          (map (lambda (alist)
-                 (map (lambda (entry)
-                        (cons
-                         (string->symbol
-                          (string-append
-                           "header:"
-                           (symbol->string (car entry))))
-                         (cdr entry)))
-                      alist))
-               alists))
-         (props (append prefixed-alist
-                        (layout-extract-page-properties layout)))
+         (prefixed-alist
+          (map (lambda (alist)
+                 (map (lambda (entry)
+                        (cons
+                         (string->symbol
+                          (string-append
+                           "header:"
+                           (symbol->string (car entry))))
+                         (cdr entry)))
+                      alist))
+               alists))
+         (props (append prefixed-alist
+                        (layout-extract-page-properties layout)))
 
-         (markup (ly:output-def-lookup layout what)))
+         (markup (ly:output-def-lookup layout what)))
 
     (if (markup? markup)
-        (interpret-markup layout props markup)
-        (ly:make-stencil '() '(1 . -1) '(1 . -1)))))
+        (interpret-markup layout props markup)
+        (ly:make-stencil '() '(1 . -1) '(1 . -1)))))