Re: [Groff] PS font metrics change (again)

[Ralph Corderoy]

Hi Werner,

> The old fonts didn't behave well with eqn -- this preprocessor uses
> 
>   \,X\/
> 
> (X an arbitrary glyph) almost everywhere to get mathematical spacing.
> 
> ...
> 
> Consider this:
> 
>   $f f$
> 
> With TeX, the two (italic) f's are clearly separated, while with eqn
> the two glyphs almost touch.

If it's of any interest, an old AIX 3.2.5 eqn gives

    $ (echo .EQ; echo f f; echo .EN) | eqn
    .lf 1 -
    .EQ
    .ds 11 "\f2\^f\fP
    .ds 12 "\f2\^f\fP
    .as 11 "\*(12
    .if 1m>\n(.v .ne 1m
    .rn 11 10
    \&\*(10
    .EN
    .lf 4
    $ 

Cheers,


Ralph.