They are bracket-style pedal marks like ' [ ' but rotated 90 degrees to the left!.
If a section is marked like this (with 'u|' substituting for the up pedal, '|d' substituting for down pedal and a splat '*' for a note head here in this YA format with the underline forcing this text box to accept the space between the splats):
*____*
u| |d
Is this indicating a pedal up and a pedal down during the first note!? Or is it telling me to pedal up AFTER the note but before the next note!?Www@QuestionHome@Com