It seems that the default stylesheets used by Mathematica's Front End cannot be edited like other user-created stylesheets. The following, for example, is the stylesheet for the Help documents of Mathematica:

hlpst = $InstallationDirectory <>"/SystemFiles/FrontEnd/StyleSheets/Wolfram/Reference.nb"

After being opened, it looks like a usual stylesheet window, except that its contents (such as font colours) cannot be edited at all.

So my question is: How can the stylesheet Reference.nb, in the folder shown above, be edited in a stylesheet window, just as a user-created stylesheet can?

  • $\begingroup$ Here's an example where I modified the Palette.nb: Menu commands on Palettes. Is that enough? $\endgroup$
    – Kuba
    Feb 22, 2016 at 13:40
  • $\begingroup$ See Working with Stylesheets and Related Tutorials. $\endgroup$
    – user9660
    Feb 22, 2016 at 16:32
  • $\begingroup$ @Kuba Thank you. It works! $\endgroup$
    – User18
    Feb 23, 2016 at 5:16
  • $\begingroup$ @Kuba That seems like a rather narrow example even if the method can be applied generally. Can you find any other Q&A's that are more general? If so we can dual-close (both linked in the header). $\endgroup$
    – Mr.Wizard
    Aug 16, 2016 at 19:05
  • $\begingroup$ @Mr.Wizard I think there was something better but I've failed to find it. $\endgroup$
    – Kuba
    Aug 16, 2016 at 19:15


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