Re: [PATCH] man-pages-posix-2017/man1p/dd.1p: added missing ASCII-EBCDIC tables

["G. Branden Robinson" <g.branden.robinson@gmail.com>]

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Hi Brian,

At 2023-08-13T15:01:44-0600, Brian Inglis wrote:
> I have an OpenGroup/UNIX.org/Austin Group/POSIX account, so added the
> missing ASCII-EBCDIC tables by copying from the POSIX PDF, as copying
> data is fair use, and the man page copy itself is authorized.
> 
> As an aside to that, those ASCII-EBCDIC tables support characters from
> the old ISO 2033:1983 MICR/OCR character sets now in Unicode OCR block
> U+2440-U+245F, which appears only in a few fonts like Unifont and SIL
> LastResort (and MS Segoe UI Symbol), and are still available as TTF
> (some font formats and support are being dropped in favour of OTF).
> 
> They appear normal on my screen running 'man 1p dd' on my system which
> has those fallback fonts installed.
> 
> Is it sufficient to run the groff addition install-font.sh script on
> those fonts and add them to the config as .special, or is anything
> else required to register and render the glyphs on other devices?

That sounds correct to me.

> Or should I take this up on the groff list?

See if the gropdf(1) and/or grops(1) pages in groff 1.23.0 get the
essential information across; if either one doesn't (independently of
the other), please report a bug against groff.

> +.sp

Just use a paragraphing macro call here, like `.P`.

> +.TS
> +centre;
> +l   cB sB cB sB cB sB cB sB cB sB cB sB cB sB cB sB
> +l    _ _   _ _   _ _   _ _   _ _   _ _   _ _   _ _
> +nB | n l | n l | n l | n l | n l | n l | n l | n l |
> +.
> +\&	0	1	2	3	4	5	6	7
> +\&
> +0000	0000	NUL	0001	SOH	0002	STX	0003	ETX	0067	EOT	0055	ENQ	0056	ACK	0057	BEL
[...]

I guess it's hard to change the tab character for this ultra-wide table
since every printable ASCII character is represented in it, and tbl
affords no mechanism to escape the tab character.

> +.TE
> +.IP
> +.SB Note:

There's no reason to use `SB` (a SunOS extension) anymore since groff
1.22.4 (2018) and mandoc 1.14.2 (2017).

.IP
.SM
.B Note:

will work fine.

Regards,
Branden

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