set spacing for rests in chordlyrics

footer_with_songinfo.ly

@@ -104,7 +104,10 @@
             )
         (if (and (equal? poetIds composerIds) (null? translatorIds) (null? versePoetData) (null? verseComposerData) (null? voiceComposerData) (null? compositionIds) (null? bridgeIds) (null? interludeIds))
           (list
-            (render-contribution-group (ly:output-def-lookup layout 'poetAndComposerEqualPrefix) poetIds)
+            (join-present (list
+              (render-contribution-group (ly:output-def-lookup layout 'poetAndComposerEqualPrefix) poetIds)
+              (if (equal? year_text year_melody) year_text (join-present (list year_text year_melody) "/"))
+            ) ", ")
             #f)
           (list
             (if (and (null? poetIds) (null? versePoetData) (null? translatorIds)) #f

toc_include.ly

@@ -167,11 +167,11 @@
                (reverse (map (lambda (m)
                                (make-size-box-to-box-markup #f #t m target-size-markup))
                           (cons
-                           (make-fill-with-pattern-markup 1 RIGHT "." (car revlist) page)
+                           (make-with-link-symbol-ref-markup 'index:label (make-fill-with-pattern-markup 1 RIGHT "." (car revlist) page))
                            (cdr revlist)))))))))
 
 \paper {
-  indexItemMarkup = \markup \with-link-symbol-ref #'index:label {
+  indexItemMarkup = \markup {
     \index-item-with-pattern
   }
   indexSectionMarkup = \markup \override #'(baseline-skip . 1.5) \left-column {