/usr/share/liblouisxml/lbx_files/marburg.cfg is in liblouisxml-data 2.4.0-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | cellsperline 32
braillePages no
mathexprtable us-table.dis,marburg.ctb
editTable marburg_edit.ctb
internetAccess no
semanticFiles *,marburg.sem
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