[Groff] Font families and styles

[Thomas Baruchel]

Brest, le samedi 28 juillet

Hi, I don't knoow how to handle with the following family:
  - Rotis (Adobe) has (among others) RG (roman) RGI (italic) RGB (bold)
Of course, I can't use
  .fam RG (because) groff will expect a RGR font.
I know I could rename RG --> RGR (or create a symbolic link), but I don't
like the idea. Is there a way to have:

\fR --> RG
\fI --> RGI
\fB --> RGB

Thank you very much

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