write_old_file("sorting.mdwn",
'[[!traillink linked]] ' .
'[[!trailitems pages="sorting/z/a or sorting/a/b or sorting/a/c"]] ' .
write_old_file("sorting.mdwn",
'[[!traillink linked]] ' .
'[[!trailitems pages="sorting/z/a or sorting/a/b or sorting/a/c"]] ' .