I would like to modify the style of
Show Cell Expression of some output of
ShowCellLabel->True and modifying
This works for a single cell and I would like to make this change for all cells of the notebook. Hence I edit the Stylesheet and paste the section
Local definition for Style "Print" from
Core.nb to the private style definition of the notebook.
If I now modify this particular style (editing the cell expression in the style definitions), I can e.g. successfully change the margins of all
ShowCellLabel->True, but I can NOT modify these labels. Any command
CellLabel->"mylabel" is simply ignored in the notebook. Instead, the label
During evaluation of In[.]:= remains.
How can I change the cell label using the stylesheet s.t. it applies to all