raise text in Scheme

[Kieren Richard MacMillan]

Hello, all!

Why does the following #:raise neither work nor throw an error?

Thanks,
Kieren.

%% CODE SNIPPET BEGINS
\version "2.9.5"

\paper
{
        indent = 0\in
        line-width = 2\in
}

dynNull = #(make-dynamic-script (markup #:hspace 1) )
hairpinPoco = #(make-dynamic-script (markup #:normal-text #:italic  
#:smaller "poco") )
hairpinMolto = #(make-dynamic-script (markup #:normal-text #:italic  
#:smaller "molto") )
hairpinMoltoRaised = #(make-dynamic-script (markup #:raise 22  
#:normal-text #:italic #:smaller "molto") )

\relative c''
{
        \override Staff.TimeSignature #'stencil = ##f
        c4\< c2\!\> c4\! \break
        c4\< c2\dynNull\> c4\! \break
        c4\< c2\hairpinPoco\> c4\! \break
        c4\< c2\hairpinMolto\> c4\! \break
        c4\< c2\hairpinMoltoRaised\> c4\!
}
%% CODE SNIPPET ENDS