Custom playing techniques - position

I have the following problem (not big, but perhaps someone else has noticed this too):

I added a custom playing technique. It is text, but I had to add the text as glyphs, because I wanted to make some changes in the font size for different letters and symbols. The downside of this is, that Dorico will place this new playing technique closer to the note (following the placement rules for symbols). It would be great, if

a) one could format text in the editor,
b) define if the playing technique should follow the positioning rules for text or symbols or
c) one could define the position for the news technique in the editor individually (override of the default value).

Thanks for considering.