Make arguments like Context.GrobName accessible as symbol lists

Documentation/cs/learning/fundamental.itely

Index: Documentation/cs/learning/fundamental.itely
diff --git a/Documentation/cs/learning/fundamental.itely b/Documentation/cs/learning/fundamental.itely
index 814dd25e3a148a7639a7a73092d502d4acca3fc7..d93697a83a56ac6e1eaff7c17858fde7dd9161bd 100644
--- a/Documentation/cs/learning/fundamental.itely
+++ b/Documentation/cs/learning/fundamental.itely
@@ -8,7 +8,7 @@
     Guide, node Updating translation committishes.
 @end ignore
 
-@c \version "2.16.0"
+@c \version "2.17.6"
 @c Translators: Pavel Fric
 
 @node Základní pojmy
@@ -888,9 +888,9 @@ a hlasy.  Složitější věci budou vysvětleny v pozdějších částech.
   \\  % Voice four
     {
       % Ignore these for now - they are explained in Ch 4
-      \once \override NoteColumn #'force-hshift = #0
+      \once \override NoteColumn.force-hshift = #0
       <ees c>2
-      \once \override NoteColumn #'force-hshift = #0.5
+      \once \override NoteColumn.force-hshift = #0.5
       des2
     }
   >> |
@@ -937,9 +937,9 @@ verstehen können.
   \\  % Voice four
     { \voiceThreeStyle
       % Ignore these for now - they are explained in Ch 4
-      \once \override NoteColumn #'force-hshift = #0
+      \once \override NoteColumn.force-hshift = #0
       <ees c>2
-      \once \override NoteColumn #'force-hshift = #0.5
+      \once \override NoteColumn.force-hshift = #0.5
       des2
     }
   >>
@@ -3120,8 +3120,7 @@ sind.
         @}
       >>  % end ManualOne Staff context
       \new Staff = "ManualTwo" \with @{
-        \override VerticalAxisGroup
-          #'staff-staff-spacing #'stretchability = 5
+        \override VerticalAxisGroup.staff-staff-spacing.stretchability = 5
       @} <<
         \keyTime
         \clef "bass"
@@ -3186,8 +3185,7 @@ PedalOrganMusic = \relative c {
         }
       >>  % end ManualOne Staff context
       \new Staff = "ManualTwo" \with {
-        \override VerticalAxisGroup
-          #'staff-staff-spacing #'stretchability = 5
+        \override VerticalAxisGroup.staff-staff-spacing.stretchability = 5
       } <<
         \keyTime
         \clef "bass"
@@ -3255,7 +3253,7 @@ werden:
 @c TODO Avoid padtext - not needed with skylining
 @lilypond[quote,verbatim,ragged-right]
 dolce = \markup { \italic \bold dolce }
-padText = { \once \override TextScript #'padding = #5.0 }
+padText = { \once \override TextScript.padding = #5.0 }
 fthenp=_\markup {
     \dynamic f \italic \small { 2nd } \hspace #0.1 dynamic p
 }
@@ -3287,7 +3285,7 @@ sehr viel schwerer lesbar, besonders die letzte Zeile.
 violin = \relative c'' @{
   \repeat volta 2 @{
     c4._\markup @{ \italic \bold dolce @} b8 a8 g a b
-    \once \override TextScript #'padding = #5.0
+    \once \override TextScript.padding = #5.0
     c4.^"hi there!" d8 e' f g d
     c,4.\markup @{
       \dynamic f \italic \small @{ 2nd @} \hspace #0.1 \dynamic p
@@ -3314,7 +3312,7 @@ padText =
      (parser location padding)
      (number?)
    #{
-     \once \override TextScript #'padding = $padding
+     \once \override TextScript.padding = $padding
    #})
 
 \relative c''' {