[bug #60916] [mm] ms.cov asks for fonts by name, making man page dubious

[G. Branden Robinson]

Follow-up Comment #2, bug #60916 (project groff):


[comment #1 comment #1:]
> 
> [comment #0 original submission:]
> > Rather than porting ms.cov to use the antiquated feature of font
positions, I propose to move the rest of mm back to the named font mechanism,
adapting HF as conceived above.  People can use the `ftr` request to replace
font (styles) instead of `fp` (indeed the former feature was already in groff
in 2006).
> 
> Does this mean that you *won't* be able to specify the font positions
numbers in HF?  This would break existing documents.

Hi Kurt!

No, I just had in mind changing the HF string default to use the style names
instead of the positions.  Nothing deeper.

Near as I can tell, that shouldn't break anything.  HF is not tangled up with
much in mm.  It's defined in one place and dereferenced in one place.


  89 .\"     header format                                                   
  90 .ds HF 2 2 2 2 2 2 2 2 2 2 2 2 2 2

1054 .\" size and font calculations
1055 .hd@split hd*font \\n[hd*level] HF \\*[HF]\"    get font for this level
1056 .ft \\*[hd*font]\"                      set new font


(hd@split is basically an array element extractor.)

But I'm only now learning mm by hacking on it.  If you can think of something
I'm missing, please tell me.

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