[OS X TeX] Sharpe's Fontset Macros for TeXShop: where put path?

[Murray Eisenberg]

The docs FontSets.pdf for Michael Sharpe’s Fontset Macros for TeXShop say:

  “…the macro named GetFontset must be edited (last line before the handlers begin) 
  to provide a full path to [the shell script refreshfront] on your machine.”

I presume this means to edit the file GetFopntseet.plist. But I don’t see where in that file the path to that shell script should be inserted.

Where and how??

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