Docs: Compile fix when using --disable-optimising.

* disable midi output in tab-example.ly to prevent segfault in
Tie_performer (use of a deque causes a memory corruption).

diff --git a/Documentation/web/examples/tab-example.ly b/Documentation/web/examples/tab-example.ly
index e0e5db39819061ad6c34bc441ad35a3ebceb2556..158b35b60916d126c9639a5065d7b86187870a5d 100644 (file)
--- a/Documentation/web/examples/tab-example.ly
+++ b/Documentation/web/examples/tab-example.ly
@@ -16,10 +16,10 @@
 
 %% Hide fret number: useful to draw slide into/from a casual point of
 %% the fretboard.
-hideFretNumber = { \once \override TabNoteHead #'transparent = ##t 
-                   \once \override NoteHead #'transparent = ##t 
+hideFretNumber = { \once \override TabNoteHead #'transparent = ##t
+                   \once \override NoteHead #'transparent = ##t
                    \once \override Stem #'transparent = ##t
-                   \once \override NoteHead #'no-ledgers = ##t 
+                   \once \override NoteHead #'no-ledgers = ##t
 }
 
 \paper {
@@ -28,19 +28,19 @@ hideFretNumber = { \once \override TabNoteHead #'transparent = ##t
 }
 
 upper=  \relative c' {
-  \time 4/4 
+  \time 4/4
   \key e \major
   \set Staff.midiInstrument = #"acoustic guitar (steel)"
   \set fingeringOrientations = #'(left)
-  
+
   %\override Staff.Glissando #'extra-offset = #' (0.0 . 1.0)
-  \partial 4. \acciaccatura c16 \glissando cis8  e4 
+  \partial 4. \acciaccatura c16 \glissando cis8  e4
   < cis-1 g'-3 >2 s8 \grace a16 ( \glissando <b-2>8\3 )  <d-1> ( b ) |
   <e-3>\2 ( <d-1> b ) \grace <ais-2>16 ( \glissando  a8  g ) s4. |
   s4.  < d'\3 g\2 >8  < gis,\4  d'\3 fis\2 >2\arpeggio ~ |
-  
+
   < gis\4  d'\3 fis\2 >2  < b'\2\harmonic e\harmonic >2\fermata |
-  
+
 }
 
 lower=  \relative c {
@@ -50,7 +50,7 @@ lower=  \relative c {
   s4  e,4  s2 |
   s2 s8 <e'-3>4. ~ |
   e4  \hideFretNumber \grace { b8 \glissando s4 }  <e-2>4\5  e,2 ~ |
-  
+
   e2  < e'\6\harmonic > |
 }
 
@@ -74,19 +74,20 @@ lower=  \relative c {
       \context TabVoice = "lower tab" { \clef "moderntab" \voiceTwo \lower }
     >>
   >>
-  
+ %{
  \midi {
     \context {
       \Score tempoWholesPerMinute = #(ly:make-moment 120 4)
     }
   }
-  
+ %}
+
  \layout {
     \context {
     \Staff
     \override StringNumber #'transparent = ##t
     }
-    
+
     \context {
     \TabStaff
     \revert Arpeggio #'stencil