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Re: [Groff] [patch] Typographic quotes in -mdoc %T

From: Keith Marshall
Subject: Re: [Groff] [patch] Typographic quotes in -mdoc %T
Date: Thu, 06 Nov 2014 16:26:15 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0

On 06/11/14 13:57, Werner LEMBERG wrote:
> groff uses different quotes depending on -Tascii or -Tutf8:

Naturally.  UTF-8 is a multibyte character encoding; ASCII is strictly
single byte (using only seven bits).

>   devascii:   lq   "

Which is ASCII code 34 (0x22)

>   devlatin1:  lq   "

Again, looks the same as ASCII code 34.

>   devutf8:    lq   u201C   (via `glyphuni.cpp')

And this is way outside the range of any 7-bit encoding, (it needs
fourteen bits plus UTF-8 encoding overhead spreading it across three
bytes), so has no ASCII representation.

> Using \*[Lq] and \*[Rq] in Anthony's patch is definitely correct.

I don't disagree.  However, Anthony clearly *is* confused, for he claims
to refer to ASCII output on UTF-8 devices.  It may seem pedantic, but a
confusingly expressed objective must perpetuate confusion.  While ASCII
may be a proper subset of UTF-8, it is a limited subset: it offers only
two choices for representation of quotes, viz. code 34 (double quote)
and code 39 (single quote or apostrophe).

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