https://ww2.justanswer.com/uploads/MI/MichaelHannigan/2014-06-17_205549_mrk.zip

works and I can edit it.

When exporting to pdf I modified .mrk.
——————————————————–
// Page information, at the top of the page.
<
Type MarkText

TextSize 25
AllPlates true
SamePositionOnAllPlates true
FormatString (%s %s %s – %s – (%s\))
InfoValues [PubName Date Time PageLabel PlateColor]

Location <

————————————–

Now we can clearly see the original document name when previewing pdf thumbs. We use this to rearrange a pdf that was created from lots of seperate pdf’s.

https://printplanet.com/forums/adobe/25814-indesign-custom-printmarks

just found it!

thanks anyway.