markuplist and markup

[Simon Albrecht]

Hello,

is there any possibility to include \markuplist commands inside \markup?
I’m trying to use a \table-of-contents with reduced line-width, centered 
on the page and with a box around it, if possible. All of these are 
easily feasible with \markup commands, but not with \markuplist. Did I 
overlook some „integration” feature or should I suggest creating one?
Thanks for everything,
Simon

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Simon Albrecht, Kirchenmusikstudent