Dynamics not centered

[Ben]

Hi all,

Can someone tell me why the dynamics marking is not centered (like the default) when using it as a 'compound' command/variable markup?

Is it not possible to create a compound dynamic variable like this (mp dolce, etc) and have it still place the dynamic centered under the notehead like a plain dynamic mark would? Or is the default engraving rule like that for a reason? Would love to know, thank you!

(see attached)

\version "2.19.81"

mpdolce = \markup { \dynamic pp \italic \teeny dolce }

<<
  \new Staff \relative c' {
    c4-\mpdolce g' f g a b c r d c c g c
   
    }
 
  \new Staff \relative c' {
    c4\pp g' f g a b c r d c c g c
  }
  
>>

why_offset.png
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