Increasing distance between symbols that are printed above or below notes
The padding property for objects with side-position-interface can be set to increase distance between symbols that are printed above or below notes.
\version "2.24.0"
%% http://lsr.di.unimi.it/LSR/Item?id=9
\relative c' {
c2\fermata
\override Script.padding = #3
b2\fermata
}